#A63E38#A63E38

#A63E38 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.7% C 0.139 H 26.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#A63E38
RGB	rgb(166, 62, 56)
HSL	hsl(3, 50%, 44%)
HSV	hsv(3, 66%, 65%)
CMYK	cmyk(0%, 62.7%, 66.3%, 34.9%)
CIE-LAB	lab(40.96, 42.48, 26.26)
CIE-LCH	lch(40.96, 49.94, 31.72°)
OKLab	oklab(50.73% 0.1241 0.0619)
OKLCH	oklch(50.73% 0.139 26.5)
XYZ	xyz(18.1641, 11.8402, 5.0695)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63E38 #38A0A6

analogous

#A63869 #A63E38 #A67538

triadic

#A63E38 #38A63E #3E38A6

tetradic

#A63E38 #69A638 #38A0A6 #7538A6

square

#A63E38 #69A638 #38A0A6 #7538A6

split-complementary

#A63E38 #38A675 #3869A6

monochromatic

#4A1C19 #782D29 #A63E38 #C65C55 #D58883

Accessibility & contrast

On white

6.24

#A63E38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A63E38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E38

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63E38	#FFFFFF	#000000	##FFFFFF
##A63E38	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595337

Deuteranopia (green-blind)

#736935

Tritanopia (blue-blind)

#B6283D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a63e38;
/* rgb */ color: rgb(166, 62, 56);
/* oklch */ color: oklch(50.7% 0.139 26.5);

Tailwind

colors: {
  custom: {
    50: '#c7786e',
    500: '#a63e38',
    950: '#000000',
  },
}

SCSS

$custom: #a63e38;
$custom-light: #c7786e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63e38",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 3.273,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50732,
    "c": 0.13868,
    "h": 26.5
  },
  "luminance": 0.11838
}

Semantic roles & 50–950 ramp

primary

#A63E38

secondary

#7BBBBF

accent

#D2D94F

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140907

muted

#837B7A

Preview Lab

Preview with #A63E38

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

Preview Lab → · Contrast checker → · Palette generator →