#75171B#75171B

#75171B is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.128 H 24.2°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#75171B
RGB	rgb(117, 23, 27)
HSL	hsl(357, 67%, 27%)
HSV	hsv(357, 80%, 46%)
CMYK	cmyk(0%, 80.3%, 76.9%, 54.1%)
CIE-LAB	lab(25.18, 40.15, 23.19)
CIE-LCH	lch(25.18, 46.37, 30.02°)
OKLab	oklab(37.06% 0.1168 0.0524)
OKLCH	oklch(37.06% 0.128 24.2)
XYZ	xyz(7.8413, 4.4751, 1.4876)
Luminance	0.0447 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75171B #177571

analogous

#75174A #75171B #754217

triadic

#75171B #1B7517 #171B75

tetradic

#75171B #4A7517 #177571 #421775

square

#75171B #4A7517 #177571 #421775

split-complementary

#75171B #177542 #174A75

monochromatic

#1A0506 #420D0F #75171B #A82127 #D63037

Accessibility & contrast

On white

11.08

#75171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#75171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75171B

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75171B	#FFFFFF	#000000	##FFFFFF
##75171B	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1A

Deuteranopia (green-blind)

#4B4318

Tritanopia (blue-blind)

#81001A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #75171b;
/* rgb */ color: rgb(117, 23, 27);
/* oklch */ color: oklch(37.1% 0.128 24.2);

Tailwind

colors: {
  custom: {
    50: '#a45d57',
    500: '#75171b',
    950: '#000000',
  },
}

SCSS

$custom: #75171b;
$custom-light: #a45d57;
$custom-dark: #000000;

JSON

{
  "hex": "#75171b",
  "rgb": {
    "r": 117,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 357.447,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37058,
    "c": 0.12796,
    "h": 24.2
  },
  "luminance": 0.04474
}

Semantic roles & 50–950 ramp

primary

#75171B

secondary

#3DAAA6

accent

#EAE33E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#110503

muted

#807978

Preview Lab

Preview with #75171B

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

Preview Lab → · Contrast checker → · Palette generator →