#A02537#A02537

#A02537 is a mid, vivid red. Relative luminance 0.091; OKLCH L 46.9% C 0.158 H 18.1°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#A02537
RGB	rgb(160, 37, 55)
HSL	hsl(351, 62%, 39%)
HSV	hsv(351, 77%, 63%)
CMYK	cmyk(0%, 76.9%, 65.6%, 37.3%)
CIE-LAB	lab(36.13, 50.52, 20.57)
CIE-LCH	lch(36.13, 54.55, 22.15°)
OKLab	oklab(46.91% 0.1502 0.0492)
OKLCH	oklch(46.91% 0.158 18.1)
XYZ	xyz(15.8501, 9.0749, 4.5307)
Luminance	0.0907 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A02537 #25A08E

analogous

#A02574 #A02537 #A05025

triadic

#A02537 #37A025 #2537A0

tetradic

#A02537 #74A025 #25A08E #5025A0

square

#A02537 #74A025 #25A08E #5025A0

split-complementary

#A02537 #25A050 #2574A0

monochromatic

#3D0E15 #6E1A26 #A02537 #D03249 #DB6476

Accessibility & contrast

On white

7.46

#A02537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#A02537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A02537

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A02537	#FFFFFF	#000000	##FFFFFF
##A02537	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484437

Deuteranopia (green-blind)

#675E33

Tritanopia (blue-blind)

#B0002D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a02537;
/* rgb */ color: rgb(160, 37, 55);
/* oklch */ color: oklch(46.9% 0.158 18.1);

Tailwind

colors: {
  custom: {
    50: '#c36b6d',
    500: '#a02537',
    950: '#000000',
  },
}

SCSS

$custom: #a02537;
$custom-light: #c36b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a02537",
  "rgb": {
    "r": 160,
    "g": 37,
    "b": 55
  },
  "hsl": {
    "h": 351.22,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4691,
    "c": 0.15805,
    "h": 18.1
  },
  "luminance": 0.09073
}

Semantic roles & 50–950 ramp

primary

#A02537

secondary

#60C1B3

accent

#E6CE42

background

#FCF6F6

surface

#F9ECEB

border

#D2C7C6

text

#140707

muted

#827A7A

Preview Lab

Preview with #A02537

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

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