#B53F26#B53F26

#B53F26 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.158 H 33.6°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B53F26
RGB	rgb(181, 63, 38)
HSL	hsl(10, 65%, 43%)
HSV	hsv(10, 79%, 71%)
CMYK	cmyk(0%, 65.2%, 79%, 29%)
CIE-LAB	lab(43.54, 46.53, 40.12)
CIE-LCH	lch(43.54, 61.44, 40.77°)
OKLab	oklab(53.1% 0.1315 0.0875)
OKLCH	oklch(53.1% 0.158 33.6)
XYZ	xyz(21.1858, 13.5218, 3.3278)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53F26 #269CB5

analogous

#B52654 #B53F26 #B58726

triadic

#B53F26 #26B53F #3F26B5

tetradic

#B53F26 #54B526 #269CB5 #8726B5

square

#B53F26 #54B526 #269CB5 #8726B5

split-complementary

#B53F26 #26B587 #2654B5

monochromatic

#501C11 #822D1B #B53F26 #D75B41 #E28774

Accessibility & contrast

On white

5.67

#B53F26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53F26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53F26

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53F26	#FFFFFF	#000000	##FFFFFF
##B53F26	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615622

Deuteranopia (green-blind)

#7E7121

Tritanopia (blue-blind)

#C71E3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53f26;
/* rgb */ color: rgb(181, 63, 38);
/* oklch */ color: oklch(53.1% 0.158 33.6);

Tailwind

colors: {
  custom: {
    50: '#d37a62',
    500: '#b53f26',
    950: '#000000',
  },
}

SCSS

$custom: #b53f26;
$custom-light: #d37a62;
$custom-dark: #000000;

JSON

{
  "hex": "#b53f26",
  "rgb": {
    "r": 181,
    "g": 63,
    "b": 38
  },
  "hsl": {
    "h": 10.49,
    "s": 65.297,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53098,
    "c": 0.15793,
    "h": 33.6
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary

#B53F26

secondary

#6EB9C9

accent

#CBE840

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53F26

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

Preview Lab → · Contrast checker → · Palette generator →