#A64137#A64137

#A64137 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.1% C 0.136 H 28.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#A64137
RGB	rgb(166, 65, 55)
HSL	hsl(5, 50%, 43%)
HSV	hsv(5, 67%, 65%)
CMYK	cmyk(0%, 60.8%, 66.9%, 34.9%)
CIE-LAB	lab(41.48, 41.01, 27.49)
CIE-LCH	lch(41.48, 49.37, 33.84°)
OKLab	oklab(51.12% 0.1193 0.0645)
OKLCH	oklch(51.12% 0.136 28.4)
XYZ	xyz(18.3076, 12.1659, 4.9979)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A64137 #379CA6

analogous

#A63765 #A64137 #A67837

triadic

#A64137 #37A641 #4137A6

tetradic

#A64137 #65A637 #379CA6 #7837A6

square

#A64137 #65A637 #379CA6 #7837A6

split-complementary

#A64137 #37A678 #3765A6

monochromatic

#4A1D19 #782F28 #A64137 #C65E54 #D68982

Accessibility & contrast

On white

6.12

#A64137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#A64137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A64137

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A64137	#FFFFFF	#000000	##FFFFFF
##A64137	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5435

Deuteranopia (green-blind)

#756A34

Tritanopia (blue-blind)

#B62C3F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #a64137;
/* rgb */ color: rgb(166, 65, 55);
/* oklch */ color: oklch(51.1% 0.136 28.4);

Tailwind

colors: {
  custom: {
    50: '#c77a6e',
    500: '#a64137',
    950: '#000000',
  },
}

SCSS

$custom: #a64137;
$custom-light: #c77a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a64137",
  "rgb": {
    "r": 166,
    "g": 65,
    "b": 55
  },
  "hsl": {
    "h": 5.405,
    "s": 50.226,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51117,
    "c": 0.13561,
    "h": 28.4
  },
  "luminance": 0.12163
}

Semantic roles & 50–950 ramp

primary

#A64137

secondary

#7AB9BF

accent

#CDDA4E

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A64137

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

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