#010121

Color #010121

A vivid, highly saturated very dark blue.

Closest named color Black #000000 · ΔE 18.99 Nearest Tailwind class slate-900 #0f172b · ΔE 5.1

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Conversions

HEX

#010121

RGB

rgb(1, 1, 33)

HSL

hsl(240, 94.1%, 6.7%)

HSV / HSB

hsv(240, 97%, 12.9%)

CMYK

cmyk(97%, 97%, 0%, 87.1%)

LAB

lab(1.25, 6.83, -17.67)

LCH

lch(1.25, 18.94, 291.13)

OKLCH

oklch(11.9%, 0.0728, 267.95)

HWB

hwb(240, 0.4%, 87.1%)

Harmony colors

Complementary

#212101

Analogous

#011121

#010121

#110121

Triadic

#010121

#210101

#012101

Split-complementary

#010121

#211101

#112101

Tetradic

#010121

#210121

#212101

#012101

Square

#010121

#210111

#212101

#012111

Shades

Color #010121 mixed toward black.

#01011c

#010116

#010111

#00000b

#000006

Tints

Color #010121 mixed toward white.

#03036e

#0606bb

#1818f8

#6565fa

#b2b2fd

Tones

Color #010121 mixed toward gray.

#04041e

#06061c

#090919

#0c0c16

#0e0e14

Accessibility

Aa White text on this color

20.44:1

Aa Black text on this color

1.03:1

White text reads better on this background (20.44:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#01011c · ΔE 2.4

Deuteranopia

#01011b · ΔE 2.9

Tritanopia

#011716 · ΔE 18.8

Achromatopsia

#050505 · ΔE 14

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #010121;

Tailwind (arbitrary value)

bg-[#010121]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#010121 (#010121) is rgb(1, 1, 33) in RGB.

No, #010121 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #010121, or check how it holds up for accessibility.

Generate a palette → Check contrast