#75182B#75182B

#75182B is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.5% C 0.126 H 14.6°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#75182B
RGB	rgb(117, 24, 43)
HSL	hsl(348, 66%, 28%)
HSV	hsv(348, 79%, 46%)
CMYK	cmyk(0%, 79.5%, 63.2%, 54.1%)
CIE-LAB	lab(25.60, 40.74, 13.05)
CIE-LCH	lch(25.60, 42.77, 17.76°)
OKLab	oklab(37.46% 0.1223 0.032)
OKLCH	oklch(37.46% 0.126 14.6)
XYZ	xyz(8.0996, 4.6108, 2.7485)
Luminance	0.0461 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#75182B #187562

analogous

#751859 #75182B #753418

triadic

#75182B #2B7518 #182B75

tetradic

#75182B #597518 #187562 #341875

square

#75182B #597518 #187562 #341875

split-complementary

#75182B #187534 #185975

monochromatic

#190509 #420E18 #75182B #A8223E #D53254

Accessibility & contrast

On white

10.93

#75182B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#75182B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #75182B

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##75182B	#FFFFFF	#000000	##FFFFFF
##75182B	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32302B

Deuteranopia (green-blind)

#4A4429

Tritanopia (blue-blind)

#810020

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #75182b;
/* rgb */ color: rgb(117, 24, 43);
/* oklch */ color: oklch(37.5% 0.126 14.6);

Tailwind

colors: {
  custom: {
    50: '#a35e64',
    500: '#75182b',
    950: '#000000',
  },
}

SCSS

$custom: #75182b;
$custom-light: #a35e64;
$custom-dark: #000000;

JSON

{
  "hex": "#75182b",
  "rgb": {
    "r": 117,
    "g": 24,
    "b": 43
  },
  "hsl": {
    "h": 347.742,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37457,
    "c": 0.1264,
    "h": 14.6
  },
  "luminance": 0.0461
}

Semantic roles & 50–950 ramp

primary

#75182B

secondary

#3FAA94

accent

#E9C63F

background

#FAF5F5

surface

#F4EAEA

border

#CEC6C6

text

#100505

muted

#7F7979

Preview Lab

Preview with #75182B

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

Preview Lab → · Contrast checker → · Palette generator →