#A63C26#A63C26

#A63C26 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.144 H 33.5°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#A63C26
RGB	rgb(166, 60, 38)
HSL	hsl(10, 63%, 40%)
HSV	hsv(10, 77%, 65%)
CMYK	cmyk(0%, 63.9%, 77.1%, 34.9%)
CIE-LAB	lab(40.38, 42.48, 36.02)
CIE-LCH	lch(40.38, 55.69, 40.30°)
OKLab	oklab(50.22% 0.1205 0.0797)
OKLCH	oklch(50.22% 0.144 33.5)
XYZ	xyz(17.6935, 11.4812, 3.1177)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63C26 #2690A6

analogous

#A62650 #A63C26 #A67C26

triadic

#A63C26 #26A63C #3C26A6

tetradic

#A63C26 #50A626 #2690A6 #7C26A6

square

#A63C26 #50A626 #2690A6 #7C26A6

split-complementary

#A63C26 #26A67C #2650A6

monochromatic

#42180F #742A1B #A63C26 #D15238 #DD7D6A

Accessibility & contrast

On white

6.37

#A63C26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#A63C26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63C26

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63C26	#FFFFFF	#000000	##FFFFFF
##A63C26	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5023

Deuteranopia (green-blind)

#746822

Tritanopia (blue-blind)

#B72138

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a63c26;
/* rgb */ color: rgb(166, 60, 38);
/* oklch */ color: oklch(50.2% 0.144 33.5);

Tailwind

colors: {
  custom: {
    50: '#c87762',
    500: '#a63c26',
    950: '#000000',
  },
}

SCSS

$custom: #a63c26;
$custom-light: #c87762;
$custom-dark: #000000;

JSON

{
  "hex": "#a63c26",
  "rgb": {
    "r": 166,
    "g": 60,
    "b": 38
  },
  "hsl": {
    "h": 10.313,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.50219,
    "c": 0.14448,
    "h": 33.5
  },
  "luminance": 0.11479
}

Semantic roles & 50–950 ramp

primary

#A63C26

secondary

#65B3C3

accent

#CAE642

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #A63C26

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

Preview Lab → · Contrast checker → · Palette generator →