#A63238#A63238

#A63238 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.152 H 21.9°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A63238
RGB	rgb(166, 50, 56)
HSL	hsl(357, 54%, 42%)
HSV	hsv(357, 70%, 65%)
CMYK	cmyk(0%, 69.9%, 66.3%, 34.9%)
CIE-LAB	lab(39.03, 47.70, 23.86)
CIE-LCH	lch(39.03, 53.33, 26.58°)
OKLab	oklab(49.28% 0.1406 0.0565)
OKLCH	oklch(49.28% 0.152 21.9)
XYZ	xyz(17.5821, 10.6762, 4.8755)
Luminance	0.1067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63238 #32A6A0

analogous

#A63272 #A63238 #A66632

triadic

#A63238 #38A632 #3238A6

tetradic

#A63238 #72A632 #32A6A0 #6632A6

square

#A63238 #72A632 #32A6A0 #6632A6

split-complementary

#A63238 #32A666 #3272A6

monochromatic

#481618 #772428 #A63238 #C94C53 #D77B80

Accessibility & contrast

On white

6.70

#A63238 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A63238 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63238

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63238	#FFFFFF	#000000	##FFFFFF
##A63238	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C37

Deuteranopia (green-blind)

#6F6535

Tritanopia (blue-blind)

#B61135

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a63238;
/* rgb */ color: rgb(166, 50, 56);
/* oklch */ color: oklch(49.3% 0.152 21.9);

Tailwind

colors: {
  custom: {
    50: '#c7726e',
    500: '#a63238',
    950: '#000000',
  },
}

SCSS

$custom: #a63238;
$custom-light: #c7726e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63238",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 356.897,
    "s": 53.704,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49284,
    "c": 0.15152,
    "h": 21.9
  },
  "luminance": 0.10674
}

Semantic roles & 50–950 ramp

primary

#A63238

secondary

#74C0BC

accent

#DDD64B

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63238

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

Preview Lab → · Contrast checker → · Palette generator →