#A03437#A03437

#A03437 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.143 H 22.7°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A03437
RGB	rgb(160, 52, 55)
HSL	hsl(358, 51%, 42%)
HSV	hsv(358, 68%, 63%)
CMYK	cmyk(0%, 67.5%, 65.6%, 37.3%)
CIE-LAB	lab(38.21, 44.78, 23.22)
CIE-LCH	lch(38.21, 50.44, 27.41°)
OKLab	oklab(48.46% 0.1319 0.0551)
OKLCH	oklch(48.46% 0.143 22.7)
XYZ	xyz(16.4164, 10.2077, 4.7195)
Luminance	0.1021 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03437 #34A09D

analogous

#A0346D #A03437 #A06734

triadic

#A03437 #37A034 #3437A0

tetradic

#A03437 #6DA034 #34A09D #6734A0

square

#A03437 #6DA034 #34A09D #6734A0

split-complementary

#A03437 #34A067 #346DA0

monochromatic

#441617 #722527 #A03437 #C54C50 #D47A7D

Accessibility & contrast

On white

6.91

#A03437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A03437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03437

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03437	#FFFFFF	#000000	##FFFFFF
##A03437	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B36

Deuteranopia (green-blind)

#6C6234

Tritanopia (blue-blind)

#B01A36

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a03437;
/* rgb */ color: rgb(160, 52, 55);
/* oklch */ color: oklch(48.5% 0.143 22.7);

Tailwind

colors: {
  custom: {
    50: '#c3726d',
    500: '#a03437',
    950: '#000000',
  },
}

SCSS

$custom: #a03437;
$custom-light: #c3726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a03437",
  "rgb": {
    "r": 160,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.333,
    "s": 50.943,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.14296,
    "h": 22.7
  },
  "luminance": 0.10205
}

Semantic roles & 50–950 ramp

primary

#A03437

secondary

#73BDBB

accent

#DAD74D

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A03437

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

Preview Lab → · Contrast checker → · Palette generator →