#A63A26#A63A26

#A63A26 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.0% C 0.146 H 32.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A63A26
RGB	rgb(166, 58, 38)
HSL	hsl(9, 63%, 40%)
HSV	hsv(9, 77%, 65%)
CMYK	cmyk(0%, 65.1%, 77.1%, 34.9%)
CIE-LAB	lab(40.04, 43.38, 35.66)
CIE-LCH	lch(40.04, 56.16, 39.42°)
OKLab	oklab(49.96% 0.1233 0.0789)
OKLCH	oklch(49.96% 0.146 32.6)
XYZ	xyz(17.5907, 11.2756, 3.0835)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63A26 #2692A6

analogous

#A62652 #A63A26 #A67A26

triadic

#A63A26 #26A63A #3A26A6

tetradic

#A63A26 #52A626 #2692A6 #7A26A6

square

#A63A26 #52A626 #2692A6 #7A26A6

split-complementary

#A63A26 #26A67A #2652A6

monochromatic

#42170F #74291B #A63A26 #D15038 #DD7C6A

Accessibility & contrast

On white

6.45

#A63A26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A63A26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63A26

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63A26	#FFFFFF	#000000	##FFFFFF
##A63A26	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F23

Deuteranopia (green-blind)

#736722

Tritanopia (blue-blind)

#B71D36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a63a26;
/* rgb */ color: rgb(166, 58, 38);
/* oklch */ color: oklch(50.0% 0.146 32.6);

Tailwind

colors: {
  custom: {
    50: '#c87561',
    500: '#a63a26',
    950: '#000000',
  },
}

SCSS

$custom: #a63a26;
$custom-light: #c87561;
$custom-dark: #000000;

JSON

{
  "hex": "#a63a26",
  "rgb": {
    "r": 166,
    "g": 58,
    "b": 38
  },
  "hsl": {
    "h": 9.375,
    "s": 62.745,
    "l": 40
  },
  "oklch": {
    "l": 0.49964,
    "c": 0.1464,
    "h": 32.6
  },
  "luminance": 0.11273
}

Semantic roles & 50–950 ramp

primary

#A63A26

secondary

#65B4C3

accent

#CCE642

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #A63A26

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

Preview Lab → · Contrast checker → · Palette generator →