#75101B#75101B

#75101B is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.5% C 0.133 H 22.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#75101B
RGB	rgb(117, 16, 27)
HSL	hsl(353, 76%, 26%)
HSV	hsv(353, 86%, 46%)
CMYK	cmyk(0%, 86.3%, 76.9%, 54.1%)
CIE-LAB	lab(24.43, 42.28, 22.33)
CIE-LCH	lch(24.43, 47.82, 27.83°)
OKLab	oklab(36.5% 0.1236 0.0505)
OKLCH	oklch(36.5% 0.133 22.2)
XYZ	xyz(7.7202, 4.2329, 1.4472)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75101B #10756A

analogous

#75104D #75101B #753710

triadic

#75101B #1B7510 #101B75

tetradic

#75101B #4D7510 #10756A #371075

square

#75101B #4D7510 #10756A #371075

split-complementary

#75101B #107537 #104D75

monochromatic

#1B0406 #3F090F #75101B #AB1727 #E01F34

Accessibility & contrast

On white

11.37

#75101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#75101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75101B

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75101B	#FFFFFF	#000000	##FFFFFF
##75101B	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C1A

Deuteranopia (green-blind)

#494217

Tritanopia (blue-blind)

#810015

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #75101b;
/* rgb */ color: rgb(117, 16, 27);
/* oklch */ color: oklch(36.5% 0.133 22.2);

Tailwind

colors: {
  custom: {
    50: '#a45b57',
    500: '#75101b',
    950: '#000000',
  },
}

SCSS

$custom: #75101b;
$custom-light: #a45b57;
$custom-dark: #000000;

JSON

{
  "hex": "#75101b",
  "rgb": {
    "r": 117,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 353.465,
    "s": 75.94,
    "l": 26.078
  },
  "oklch": {
    "l": 0.36497,
    "c": 0.13347,
    "h": 22.2
  },
  "luminance": 0.04232
}

Semantic roles & 50–950 ramp

primary

#75101B

secondary

#35AC9F

accent

#F3DE35

background

#FBF5F5

surface

#F5E9E9

border

#CFC5C5

text

#110403

muted

#807978

Preview Lab

Preview with #75101B

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

Preview Lab → · Contrast checker → · Palette generator →