#751B1F#751B1F

#751B1F is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.5% C 0.124 H 23.3°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#751B1F
RGB	rgb(117, 27, 31)
HSL	hsl(357, 63%, 28%)
HSV	hsv(357, 77%, 46%)
CMYK	cmyk(0%, 76.9%, 73.5%, 54.1%)
CIE-LAB	lab(25.76, 38.90, 21.27)
CIE-LCH	lch(25.76, 44.34, 28.67°)
OKLab	oklab(37.51% 0.1138 0.049)
OKLCH	oklch(37.51% 0.124 23.3)
XYZ	xyz(7.9763, 4.6659, 1.7767)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#751B1F #1B7571

analogous

#751B4C #751B1F #75441B

triadic

#751B1F #1F751B #1B1F75

tetradic

#751B1F #4C751B #1B7571 #441B75

square

#751B1F #4C751B #1B7571 #441B75

split-complementary

#751B1F #1B7544 #1B4C75

monochromatic

#190607 #431012 #751B1F #A7262C #D13940

Accessibility & contrast

On white

10.86

#751B1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#751B1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #751B1F

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##751B1F	#FFFFFF	#000000	##FFFFFF
##751B1F	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35311E

Deuteranopia (green-blind)

#4C441C

Tritanopia (blue-blind)

#81001D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #751b1f;
/* rgb */ color: rgb(117, 27, 31);
/* oklch */ color: oklch(37.5% 0.124 23.3);

Tailwind

colors: {
  custom: {
    50: '#a45f5a',
    500: '#751b1f',
    950: '#000000',
  },
}

SCSS

$custom: #751b1f;
$custom-light: #a45f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#751b1f",
  "rgb": {
    "r": 117,
    "g": 27,
    "b": 31
  },
  "hsl": {
    "h": 357.333,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37506,
    "c": 0.12387,
    "h": 23.3
  },
  "luminance": 0.04665
}

Semantic roles & 50–950 ramp

primary

#751B1F

secondary

#42A9A5

accent

#E6DE42

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100504

muted

#7F7979

Preview Lab

Preview with #751B1F

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

Preview Lab → · Contrast checker → · Palette generator →