#A63E30#A63E30

#A63E30 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.6% C 0.140 H 30.3°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#A63E30
RGB	rgb(166, 62, 48)
HSL	hsl(7, 55%, 42%)
HSV	hsv(7, 71%, 65%)
CMYK	cmyk(0%, 62.7%, 71.1%, 34.9%)
CIE-LAB	lab(40.85, 42.02, 30.86)
CIE-LCH	lch(40.85, 52.14, 36.29°)
OKLab	oklab(50.61% 0.1211 0.0708)
OKLCH	oklch(50.61% 0.14 30.3)
XYZ	xyz(17.9839, 11.7681, 4.1202)
Luminance	0.1177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E30 #3098A6

analogous

#A6305D #A63E30 #A67930

triadic

#A63E30 #30A63E #3E30A6

tetradic

#A63E30 #5DA630 #3098A6 #7930A6

square

#A63E30 #5DA630 #3098A6 #7930A6

split-complementary

#A63E30 #30A679 #305DA6

monochromatic

#471B15 #772C22 #A63E30 #CA5849 #D88478

Accessibility & contrast

On white

6.26

#A63E30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#A63E30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E30

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E30	#FFFFFF	#000000	##FFFFFF
##A63E30	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#74692D

Tritanopia (blue-blind)

#B6263B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a63e30;
/* rgb */ color: rgb(166, 62, 48);
/* oklch */ color: oklch(50.6% 0.140 30.3);

Tailwind

colors: {
  custom: {
    50: '#c77869',
    500: '#a63e30',
    950: '#000000',
  },
}

SCSS

$custom: #a63e30;
$custom-light: #c77869;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e30",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 48
  },
  "hsl": {
    "h": 7.119,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50608,
    "c": 0.14025,
    "h": 30.3
  },
  "luminance": 0.11766
}

Semantic roles & 50–950 ramp

primary

#A63E30

secondary

#71B7C0

accent

#CDDE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A63E30

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

Preview Lab → · Contrast checker → · Palette generator →