#D43F2F#D43F2F

#D43F2F is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.4% C 0.188 H 29.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#D43F2F
RGB	rgb(212, 63, 47)
HSL	hsl(6, 66%, 51%)
HSV	hsv(6, 78%, 83%)
CMYK	cmyk(0%, 70.3%, 77.8%, 16.9%)
CIE-LAB	lab(49.21, 57.26, 42.94)
CIE-LCH	lch(49.21, 71.57, 36.86°)
OKLab	oklab(58.41% 0.1634 0.0939)
OKLCH	oklch(58.41% 0.188 29.9)
XYZ	xyz(29.4454, 17.7618, 4.5667)
Luminance	0.1776 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43F2F #2FC4D4

analogous

#D42F71 #D43F2F #D4912F

triadic

#D43F2F #2FD43F #3F2FD4

tetradic

#D43F2F #71D42F #2FC4D4 #912FD4

square

#D43F2F #71D42F #2FC4D4 #912FD4

split-complementary

#D43F2F #2FD491 #2F71D4

monochromatic

#712017 #A42E22 #D43F2F #DE6E62 #E99D94

Accessibility & contrast

On white

4.61

#D43F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#D43F2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43F2F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43F2F	#FFFFFF	#000000	##FFFFFF
##D43F2F	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B602C

Deuteranopia (green-blind)

#908129

Tritanopia (blue-blind)

#E9003D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43f2f;
/* rgb */ color: rgb(212, 63, 47);
/* oklch */ color: oklch(58.4% 0.188 29.9);

Tailwind

colors: {
  custom: {
    50: '#ea7d69',
    500: '#d43f2f',
    950: '#000000',
  },
}

SCSS

$custom: #d43f2f;
$custom-light: #ea7d69;
$custom-dark: #000000;

JSON

{
  "hex": "#d43f2f",
  "rgb": {
    "r": 212,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 5.818,
    "s": 65.737,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58407,
    "c": 0.18841,
    "h": 29.9
  },
  "luminance": 0.17757
}

Semantic roles & 50–950 ramp

primary

#D43F2F

secondary

#8BCDD4

accent

#D8E93F

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #D43F2F

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

Preview Lab → · Contrast checker → · Palette generator →