#A63F26#A63F26

#A63F26 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.6% C 0.142 H 34.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#A63F26
RGB	rgb(166, 63, 38)
HSL	hsl(12, 63%, 40%)
HSV	hsv(12, 77%, 65%)
CMYK	cmyk(0%, 62%, 77.1%, 34.9%)
CIE-LAB	lab(40.90, 41.09, 36.57)
CIE-LCH	lch(40.90, 55.01, 41.67°)
OKLab	oklab(50.61% 0.1162 0.0809)
OKLCH	oklch(50.61% 0.142 34.9)
XYZ	xyz(17.8552, 11.8044, 3.1716)
Luminance	0.1180 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63F26 #268DA6

analogous

#A6264D #A63F26 #A67F26

triadic

#A63F26 #26A63F #3F26A6

tetradic

#A63F26 #4DA626 #268DA6 #7F26A6

square

#A63F26 #4DA626 #268DA6 #7F26A6

split-complementary

#A63F26 #26A67F #264DA6

monochromatic

#42190F #742C1B #A63F26 #D15638 #DD806A

Accessibility & contrast

On white

6.25

#A63F26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#A63F26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63F26

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63F26	#FFFFFF	#000000	##FFFFFF
##A63F26	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5223

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#B7263A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63f26;
/* rgb */ color: rgb(166, 63, 38);
/* oklch */ color: oklch(50.6% 0.142 34.9);

Tailwind

colors: {
  custom: {
    50: '#c87862',
    500: '#a63f26',
    950: '#000000',
  },
}

SCSS

$custom: #a63f26;
$custom-light: #c87862;
$custom-dark: #000000;

JSON

{
  "hex": "#a63f26",
  "rgb": {
    "r": 166,
    "g": 63,
    "b": 38
  },
  "hsl": {
    "h": 11.719,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.50614,
    "c": 0.14158,
    "h": 34.9
  },
  "luminance": 0.11802
}

Semantic roles & 50–950 ramp

primary

#A63F26

secondary

#65B1C3

accent

#C6E642

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A63F26

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

Preview Lab → · Contrast checker → · Palette generator →