#B53741#B53741

#B53741 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.162 H 20.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B53741
RGB	rgb(181, 55, 65)
HSL	hsl(355, 53%, 46%)
HSV	hsv(355, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 64.1%, 29%)
CIE-LAB	lab(42.67, 51.17, 23.51)
CIE-LCH	lch(42.67, 56.32, 24.68°)
OKLab	oklab(52.57% 0.1516 0.0562)
OKLCH	oklch(52.57% 0.162 20.4)
XYZ	xyz(21.3786, 12.9408, 6.3721)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53741 #37B5AB

analogous

#B53780 #B53741 #B56C37

triadic

#B53741 #41B537 #3741B5

tetradic

#B53741 #80B537 #37B5AB #6C37B5

square

#B53741 #80B537 #37B5AB #6C37B5

split-complementary

#B53741 #37B56C #3780B5

monochromatic

#571A1F #862930 #B53741 #CD5C65 #DC8B91

Accessibility & contrast

On white

5.85

#B53741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B53741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53741

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53741	#FFFFFF	#000000	##FFFFFF
##B53741	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595440

Deuteranopia (green-blind)

#796F3D

Tritanopia (blue-blind)

#C6143C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53741;
/* rgb */ color: rgb(181, 55, 65);
/* oklch */ color: oklch(52.6% 0.162 20.4);

Tailwind

colors: {
  custom: {
    50: '#d27675',
    500: '#b53741',
    950: '#000000',
  },
}

SCSS

$custom: #b53741;
$custom-light: #d27675;
$custom-dark: #000000;

JSON

{
  "hex": "#b53741",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 355.238,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52565,
    "c": 0.16166,
    "h": 20.4
  },
  "luminance": 0.12938
}

Semantic roles & 50–950 ramp

primary

#B53741

secondary

#82C6C1

accent

#DDD14B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53741

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

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