#751B1D#751B1D

#751B1D is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.5% C 0.124 H 24.5°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#751B1D
RGB	rgb(117, 27, 29)
HSL	hsl(359, 63%, 28%)
HSV	hsv(359, 77%, 46%)
CMYK	cmyk(0%, 76.9%, 75.2%, 54.1%)
CIE-LAB	lab(25.73, 38.80, 22.53)
CIE-LCH	lch(25.73, 44.87, 30.15°)
OKLab	oklab(37.47% 0.113 0.0514)
OKLCH	oklch(37.47% 0.124 24.5)
XYZ	xyz(7.9507, 4.6557, 1.6422)
Luminance	0.0465 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#751B1D #1B7573

analogous

#751B4A #751B1D #75461B

triadic

#751B1D #1D751B #1B1D75

tetradic

#751B1D #4A751B #1B7573 #461B75

square

#751B1D #4A751B #1B7573 #461B75

split-complementary

#751B1D #1B7546 #1B4A75

monochromatic

#190606 #431011 #751B1D #A72629 #D1393C

Accessibility & contrast

On white

10.88

#751B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#751B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #751B1D

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##751B1D	#FFFFFF	#000000	##FFFFFF
##751B1D	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35311C

Deuteranopia (green-blind)

#4C441A

Tritanopia (blue-blind)

#81001D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #751b1d;
/* rgb */ color: rgb(117, 27, 29);
/* oklch */ color: oklch(37.5% 0.124 24.5);

Tailwind

colors: {
  custom: {
    50: '#a45f59',
    500: '#751b1d',
    950: '#000000',
  },
}

SCSS

$custom: #751b1d;
$custom-light: #a45f59;
$custom-dark: #000000;

JSON

{
  "hex": "#751b1d",
  "rgb": {
    "r": 117,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 358.667,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37474,
    "c": 0.1241,
    "h": 24.5
  },
  "luminance": 0.04654
}

Semantic roles & 50–950 ramp

primary

#751B1D

secondary

#42A9A7

accent

#E6E242

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #751B1D

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

Preview Lab → · Contrast checker → · Palette generator →