#d40d00

Color #d40d00

A vivid, highly saturated medium red.

Closest named color Orange Red #ff4500 · ΔE 16.58 Nearest Tailwind class red-600 #e7000b · ΔE 4

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

Conversions

HEX

#d40d00

RGB

rgb(212, 13, 0)

HSL

hsl(3.7, 100%, 41.6%)

HSV / HSB

hsv(3.7, 100%, 83.1%)

CMYK

cmyk(0%, 93.9%, 100%, 16.9%)

LAB

lab(44.65, 68.49, 58.61)

LCH

lch(44.65, 90.14, 40.56)

OKLCH

oklch(54.9%, 0.2212, 29.84)

HWB

hwb(3.7, 0%, 16.9%)

Harmony colors

Complementary

#00c7d4

Analogous

#d4005d

#d40d00

#d47700

Triadic

#d40d00

#00d40d

#0d00d4

Split-complementary

#d40d00

#00d477

#005dd4

Tetradic

#d40d00

#c7d400

#00c7d4

#0d00d4

Square

#d40d00

#5dd400

#00c7d4

#7700d4

Shades

Color #d40d00 mixed toward black.

#b10b00

#8d0900

#6a0700

#470400

#230200

Tints

Color #d40d00 mixed toward white.

#ff1607

#ff4538

#ff736a

#ffa29c

#ffd0cd

Tones

Color #d40d00 mixed toward gray.

#c21d12

#b12c23

#9f3c35

#8d4b47

#7c5b58

Accessibility

Aa White text on this color

5.44:1

Aa Black text on this color

3.86:1

White text reads better on this background (5.44:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#a5a403 · ΔE 52

Deuteranopia

#acb504 · ΔE 56.9

Tritanopia

#cf0606 · ΔE 1.6

Achromatopsia

#6a6a6a · ΔE 29.8

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

Code

CSS

background-color: #d40d00;

Tailwind (arbitrary value)

bg-[#d40d00]

Related colors

Misty Rose #ffe4e1

Salmon #fa8072

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Frequently asked questions

#d40d00 (#d40d00) is rgb(212, 13, 0) in RGB.

No, #d40d00 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 #d40d00, or check how it holds up for accessibility.

Generate a palette → Check contrast