#A63E23#A63E23

#A63E23 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.4% C 0.143 H 35.5°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A63E23
RGB	rgb(166, 62, 35)
HSL	hsl(12, 65%, 39%)
HSV	hsv(12, 79%, 65%)
CMYK	cmyk(0%, 62.7%, 78.9%, 34.9%)
CIE-LAB	lab(40.70, 41.43, 37.97)
CIE-LCH	lch(40.70, 56.20, 42.50°)
OKLab	oklab(50.45% 0.1167 0.0831)
OKLCH	oklch(50.45% 0.143 35.5)
XYZ	xyz(17.7538, 11.6761, 2.9086)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E23 #238BA6

analogous

#A6234A #A63E23 #A67F23

triadic

#A63E23 #23A63E #3E23A6

tetradic

#A63E23 #4AA623 #238BA6 #7F23A6

square

#A63E23 #4AA623 #238BA6 #7F23A6

split-complementary

#A63E23 #23A67F #234AA6

monochromatic

#41180E #732B18 #A63E23 #D45432 #DF7E65

Accessibility & contrast

On white

6.30

#A63E23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A63E23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E23

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E23	#FFFFFF	#000000	##FFFFFF
##A63E23	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511F

Deuteranopia (green-blind)

#75691F

Tritanopia (blue-blind)

#B72438

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e23;
/* rgb */ color: rgb(166, 62, 35);
/* oklch */ color: oklch(50.4% 0.143 35.5);

Tailwind

colors: {
  custom: {
    50: '#c87860',
    500: '#a63e23',
    950: '#000000',
  },
}

SCSS

$custom: #a63e23;
$custom-light: #c87860;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e23",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 35
  },
  "hsl": {
    "h": 12.366,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.50448,
    "c": 0.14325,
    "h": 35.5
  },
  "luminance": 0.11674
}

Semantic roles & 50–950 ramp

primary

#A63E23

secondary

#61B0C4

accent

#C5E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A63E23

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

Preview Lab → · Contrast checker → · Palette generator →