#A52537#A52537

#A52537 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.163 H 18.7°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#A52537
RGB	rgb(165, 37, 55)
HSL	hsl(352, 63%, 40%)
HSV	hsv(352, 78%, 65%)
CMYK	cmyk(0%, 77.6%, 66.7%, 35.3%)
CIE-LAB	lab(37.12, 52.04, 22.03)
CIE-LCH	lch(37.12, 56.51, 22.95°)
OKLab	oklab(47.82% 0.1544 0.0523)
OKLCH	oklch(47.82% 0.163 18.7)
XYZ	xyz(16.8700, 9.6009, 4.5785)
Luminance	0.0960 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A52537 #25A593

analogous

#A52577 #A52537 #A55325

triadic

#A52537 #37A525 #2537A5

tetradic

#A52537 #77A525 #25A593 #5325A5

square

#A52537 #77A525 #25A593 #5325A5

split-complementary

#A52537 #25A553 #2577A5

monochromatic

#410F16 #731A26 #A52537 #D2354B #DD6778

Accessibility & contrast

On white

7.19

#A52537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A52537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A52537

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A52537	#FFFFFF	#000000	##FFFFFF
##A52537	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4637

Deuteranopia (green-blind)

#6A6133

Tritanopia (blue-blind)

#B5002D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a52537;
/* rgb */ color: rgb(165, 37, 55);
/* oklch */ color: oklch(47.8% 0.163 18.7);

Tailwind

colors: {
  custom: {
    50: '#c76b6d',
    500: '#a52537',
    950: '#000000',
  },
}

SCSS

$custom: #a52537;
$custom-light: #c76b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#a52537",
  "rgb": {
    "r": 165,
    "g": 37,
    "b": 55
  },
  "hsl": {
    "h": 351.563,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4782,
    "c": 0.16301,
    "h": 18.7
  },
  "luminance": 0.09598
}

Semantic roles & 50–950 ramp

primary

#A52537

secondary

#63C3B5

accent

#E6CF41

background

#FDF6F6

surface

#FAECEB

border

#D3C7C6

text

#140707

muted

#837A7A

Preview Lab

Preview with #A52537

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

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