#A03B1D#A03B1D

#A03B1D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.141 H 36.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A03B1D
RGB	rgb(160, 59, 29)
HSL	hsl(14, 69%, 37%)
HSV	hsv(14, 82%, 63%)
CMYK	cmyk(0%, 63.1%, 81.9%, 37.3%)
CIE-LAB	lab(39.06, 40.39, 39.10)
CIE-LCH	lch(39.06, 56.21, 44.07°)
OKLab	oklab(48.99% 0.113 0.0842)
OKLCH	oklch(48.99% 0.141 36.7)
XYZ	xyz(16.2847, 10.6925, 2.3685)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B1D #1D82A0

analogous

#A01D41 #A03B1D #A07C1D

triadic

#A03B1D #1DA03B #3B1DA0

tetradic

#A03B1D #41A01D #1D82A0 #7C1DA0

square

#A03B1D #41A01D #1D82A0 #7C1DA0

split-complementary

#A03B1D #1DA07C #1D41A0

monochromatic

#38150A #6C2814 #A03B1D #D44E26 #E17657

Accessibility & contrast

On white

6.69

#A03B1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A03B1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B1D

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B1D	#FFFFFF	#000000	##FFFFFF
##A03B1D	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E19

Deuteranopia (green-blind)

#716419

Tritanopia (blue-blind)

#B02135

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b1d;
/* rgb */ color: rgb(160, 59, 29);
/* oklch */ color: oklch(49.0% 0.141 36.7);

Tailwind

colors: {
  custom: {
    50: '#c4755b',
    500: '#a03b1d',
    950: '#000000',
  },
}

SCSS

$custom: #a03b1d;
$custom-light: #c4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b1d",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 29
  },
  "hsl": {
    "h": 13.74,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.48994,
    "c": 0.14088,
    "h": 36.7
  },
  "luminance": 0.1069
}

Semantic roles & 50–950 ramp

primary

#A03B1D

secondary

#55ABC4

accent

#C4EC3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03B1D

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

Preview Lab → · Contrast checker → · Palette generator →