#751B1B#751B1B

#751B1B is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.4% C 0.124 H 25.6°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#751B1B
RGB	rgb(117, 27, 27)
HSL	hsl(0, 63%, 28%)
HSV	hsv(0, 77%, 46%)
CMYK	cmyk(0%, 76.9%, 76.9%, 54.1%)
CIE-LAB	lab(25.70, 38.70, 23.78)
CIE-LCH	lch(25.70, 45.43, 31.57°)
OKLab	oklab(37.44% 0.1122 0.0537)
OKLCH	oklch(37.44% 0.124 25.6)
XYZ	xyz(7.9268, 4.6461, 1.5161)
Luminance	0.0464 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#751B1B #1B7575

analogous

#751B48 #751B1B #75481B

triadic

#751B1B #1B751B #1B1B75

tetradic

#751B1B #48751B #1B7575 #481B75

square

#751B1B #48751B #1B7575 #481B75

split-complementary

#751B1B #1B7548 #1B4875

monochromatic

#190606 #431010 #751B1B #A72626 #D13939

Accessibility & contrast

On white

10.89

#751B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#751B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #751B1B

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##751B1B	#FFFFFF	#000000	##FFFFFF
##751B1B	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36301A

Deuteranopia (green-blind)

#4C4418

Tritanopia (blue-blind)

#81001C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #751b1b;
/* rgb */ color: rgb(117, 27, 27);
/* oklch */ color: oklch(37.4% 0.124 25.6);

Tailwind

colors: {
  custom: {
    50: '#a45f57',
    500: '#751b1b',
    950: '#000000',
  },
}

SCSS

$custom: #751b1b;
$custom-light: #a45f57;
$custom-dark: #000000;

JSON

{
  "hex": "#751b1b",
  "rgb": {
    "r": 117,
    "g": 27,
    "b": 27
  },
  "hsl": {
    "h": 0,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37444,
    "c": 0.12436,
    "h": 25.6
  },
  "luminance": 0.04645
}

Semantic roles & 50–950 ramp

primary

#751B1B

secondary

#42A9A9

accent

#E6E642

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100503

muted

#7F7978

Preview Lab

Preview with #751B1B

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

Preview Lab → · Contrast checker → · Palette generator →