#d21b05

Color #d21b05

A vivid, highly saturated medium red.

Closest named color Orange Red #ff4500 · ΔE 17.55 Nearest Tailwind class red-600 #e7000b · ΔE 4

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Conversions

HEX

#d21b05

RGB

rgb(210, 27, 5)

HSL

hsl(6.4, 95.3%, 42.2%)

HSV / HSB

hsv(6.4, 97.6%, 82.4%)

CMYK

cmyk(0%, 87.1%, 97.6%, 17.6%)

LAB

lab(44.94, 66, 56.91)

LCH

lch(44.94, 87.15, 40.77)

OKLCH

oklch(55.1%, 0.2146, 30.53)

HWB

hwb(6.4, 2%, 17.6%)

Harmony colors

Complementary

#05bcd2

Analogous

#d20556

#d21b05

#d28105

Triadic

#d21b05

#05d21b

#1b05d2

Split-complementary

#d21b05

#05d281

#0556d2

Tetradic

#d21b05

#bcd205

#05bcd2

#1b05d2

Square

#d21b05

#56d205

#05bcd2

#8105d2

Shades

Color #d21b05 mixed toward black.

#af1604

#8c1203

#690d03

#460902

#230401

Tints

Color #d21b05 mixed toward white.

#f9280f

#fa533f

#fc7e6f

#fda99f

#fed4cf

Tones

Color #d21b05 mixed toward gray.

#c12816

#b03627

#9f4338

#8e5149

#7d5e5b

Accessibility

Aa White text on this color

5.39:1

Aa Black text on this color

3.9:1

White text reads better on this background (5.39:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#a4a30c · ΔE 51

Deuteranopia

#abb40e · ΔE 55.9

Tritanopia

#cd1112 · ΔE 2.9

Achromatopsia

#6a6a6a · ΔE 29.5

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

Code

CSS

background-color: #d21b05;

Tailwind (arbitrary value)

bg-[#d21b05]

Related colors

Salmon #fa8072

Misty Rose #ffe4e1

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#d21b05 (#d21b05) is rgb(210, 27, 5) in RGB.

No, #d21b05 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.

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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 #d21b05, or check how it holds up for accessibility.

Generate a palette → Check contrast