#D51F20#D51F20

#D51F20 is a mid, highly saturated red. Relative luminance 0.152; OKLCH L 56.0% C 0.213 H 27.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#D51F20
RGB	rgb(213, 31, 32)
HSL	hsl(360, 75%, 48%)
HSV	hsv(360, 85%, 84%)
CMYK	cmyk(0%, 85.4%, 85%, 16.5%)
CIE-LAB	lab(45.95, 66.42, 47.63)
CIE-LCH	lch(45.95, 81.73, 35.64°)
OKLab	oklab(55.98% 0.1892 0.0987)
OKLCH	oklch(55.98% 0.213 27.5)
XYZ	xyz(28.1949, 15.2351, 2.8224)
Luminance	0.1523 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D51F20 #1FD5D4

analogous

#D51F7B #D51F20 #D5791F

triadic

#D51F20 #20D51F #1F20D5

tetradic

#D51F20 #7BD51F #1FD5D4 #791FD5

square

#D51F20 #7BD51F #1FD5D4 #791FD5

split-complementary

#D51F20 #1FD579 #1F7BD5

monochromatic

#6A0F10 #A01718 #D51F20 #E54C4D #ED8282

Accessibility & contrast

On white

5.19

#D51F20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#D51F20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D51F20

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D51F20	#FFFFFF	#000000	##FFFFFF
##D51F20	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E541D

Deuteranopia (green-blind)

#8A7A13

Tritanopia (blue-blind)

#EB0023

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #d51f20;
/* rgb */ color: rgb(213, 31, 32);
/* oklch */ color: oklch(56.0% 0.213 27.5);

Tailwind

colors: {
  custom: {
    50: '#ed715e',
    500: '#d51f20',
    950: '#000000',
  },
}

SCSS

$custom: #d51f20;
$custom-light: #ed715e;
$custom-dark: #000000;

JSON

{
  "hex": "#d51f20",
  "rgb": {
    "r": 213,
    "g": 31,
    "b": 32
  },
  "hsl": {
    "h": 359.67,
    "s": 74.59,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5598,
    "c": 0.21333,
    "h": 27.5
  },
  "luminance": 0.1523
}

Semantic roles & 50–950 ramp

primary

#D51F20

secondary

#7AD5D5

accent

#F1F037

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#190904

muted

#867B79

Preview Lab

Preview with #D51F20

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →