#280fac

Color #280fac

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 11.84 Nearest Tailwind class indigo-800 #372aac · ΔE 4.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#280fac

RGB

rgb(40, 15, 172)

HSL

hsl(249.6, 84%, 36.7%)

HSV / HSB

hsv(249.6, 91.3%, 67.5%)

CMYK

cmyk(76.7%, 91.3%, 0%, 32.5%)

LAB

lab(22.9, 55.84, -75.34)

LCH

lch(22.9, 93.78, 306.54)

OKLCH

oklch(36.1%, 0.218, 273.52)

HWB

hwb(249.6, 5.9%, 32.5%)

Harmony colors

Complementary

#93ac0f

Analogous

#0f44ac

#280fac

#770fac

Triadic

#280fac

#ac280f

#0fac28

Split-complementary

#280fac

#ac770f

#44ac0f

Tetradic

#280fac

#ac0f93

#93ac0f

#0fac28

Square

#280fac

#ac0f44

#93ac0f

#0fac77

Shades

Color #280fac mixed toward black.

#210c8f

#1b0a73

#140756

#0d0539

#07021d

Tints

Color #280fac mixed toward white.

#3413de

#5639ee

#806af2

#aa9cf6

#d5cdfb

Tones

Color #280fac mixed toward gray.

#311c9f

#3a2992

#433685

#4c4378

#55506b

Accessibility

Aa White text on this color

11.97:1

Aa Black text on this color

1.75:1

White text reads better on this background (11.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#201f98 · ΔE 3.8

Deuteranopia

#212293 · ΔE 4.8

Tritanopia

#278581 · ΔE 42.8

Achromatopsia

#373737 · ΔE 30.2

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

Code

CSS

background-color: #280fac;

Tailwind (arbitrary value)

bg-[#280fac]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#280fac (#280fac) is rgb(40, 15, 172) in RGB.

No, #280fac 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #280fac, or check how it holds up for accessibility.

Generate a palette → Check contrast