#75181A#75181A

#75181A is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.127 H 25.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#75181A
RGB	rgb(117, 24, 26)
HSL	hsl(359, 66%, 28%)
HSV	hsv(359, 79%, 46%)
CMYK	cmyk(0%, 79.5%, 77.8%, 54.1%)
CIE-LAB	lab(25.29, 39.76, 23.96)
CIE-LCH	lch(25.29, 46.42, 31.08°)
OKLab	oklab(37.14% 0.1153 0.0538)
OKLCH	oklch(37.14% 0.127 25)
XYZ	xyz(7.8501, 4.5110, 1.4344)
Luminance	0.0451 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75181A #187573

analogous

#751848 #75181A #754518

triadic

#75181A #1A7518 #181A75

tetradic

#75181A #487518 #187573 #451875

square

#75181A #487518 #187573 #451875

split-complementary

#75181A #187545 #184875

monochromatic

#190506 #420E0F #75181A #A82225 #D53236

Accessibility & contrast

On white

11.04

#75181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#75181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75181A

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75181A	#FFFFFF	#000000	##FFFFFF
##75181A	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F19

Deuteranopia (green-blind)

#4B4317

Tritanopia (blue-blind)

#81001A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #75181a;
/* rgb */ color: rgb(117, 24, 26);
/* oklch */ color: oklch(37.1% 0.127 25.0);

Tailwind

colors: {
  custom: {
    50: '#a45e56',
    500: '#75181a',
    950: '#000000',
  },
}

SCSS

$custom: #75181a;
$custom-light: #a45e56;
$custom-dark: #000000;

JSON

{
  "hex": "#75181a",
  "rgb": {
    "r": 117,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 358.71,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37135,
    "c": 0.12721,
    "h": 25
  },
  "luminance": 0.0451
}

Semantic roles & 50–950 ramp

primary

#75181A

secondary

#3FAAA8

accent

#E9E53F

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#110503

muted

#807978

Preview Lab

Preview with #75181A

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

Preview Lab → · Contrast checker → · Palette generator →