#75171C#75171C

#75171C is a dark, vivid red. Relative luminance 0.045; OKLCH L 37.1% C 0.128 H 23.6°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#75171C
RGB	rgb(117, 23, 28)
HSL	hsl(357, 67%, 27%)
HSV	hsv(357, 80%, 46%)
CMYK	cmyk(0%, 80.3%, 76.1%, 54.1%)
CIE-LAB	lab(25.20, 40.19, 22.56)
CIE-LCH	lch(25.20, 46.09, 29.31°)
OKLab	oklab(37.07% 0.1172 0.0512)
OKLCH	oklch(37.07% 0.128 23.6)
XYZ	xyz(7.8530, 4.4798, 1.5496)
Luminance	0.0448 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75171C #177570

analogous

#75174B #75171C #754117

triadic

#75171C #1C7517 #171C75

tetradic

#75171C #4B7517 #177570 #411775

square

#75171C #4B7517 #177570 #411775

split-complementary

#75171C #177541 #174B75

monochromatic

#1A0506 #420D10 #75171C #A82128 #D63039

Accessibility & contrast

On white

11.08

#75171C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#75171C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75171C

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75171C	#FFFFFF	#000000	##FFFFFF
##75171C	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342F1B

Deuteranopia (green-blind)

#4B4319

Tritanopia (blue-blind)

#81001A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #75171c;
/* rgb */ color: rgb(117, 23, 28);
/* oklch */ color: oklch(37.1% 0.128 23.6);

Tailwind

colors: {
  custom: {
    50: '#a45d58',
    500: '#75171c',
    950: '#000000',
  },
}

SCSS

$custom: #75171c;
$custom-light: #a45d58;
$custom-dark: #000000;

JSON

{
  "hex": "#75171c",
  "rgb": {
    "r": 117,
    "g": 23,
    "b": 28
  },
  "hsl": {
    "h": 356.809,
    "s": 67.143,
    "l": 27.451
  },
  "oklch": {
    "l": 0.37073,
    "c": 0.12786,
    "h": 23.6
  },
  "luminance": 0.04479
}

Semantic roles & 50–950 ramp

primary

#75171C

secondary

#3DAAA5

accent

#EAE13E

background

#FAF5F5

surface

#F4E9E9

border

#CEC5C5

text

#110503

muted

#807978

Preview Lab

Preview with #75171C

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

Preview Lab → · Contrast checker → · Palette generator →