#B53D25#B53D25

#B53D25 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.160 H 33.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B53D25
RGB	rgb(181, 61, 37)
HSL	hsl(10, 66%, 43%)
HSV	hsv(10, 80%, 71%)
CMYK	cmyk(0%, 66.3%, 79.6%, 29%)
CIE-LAB	lab(43.21, 47.35, 40.31)
CIE-LCH	lch(43.21, 62.19, 40.41°)
OKLab	oklab(52.85% 0.1339 0.0876)
OKLCH	oklch(52.85% 0.16 33.2)
XYZ	xyz(21.0611, 13.2979, 3.2077)
Luminance	0.1330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D25 #259DB5

analogous

#B52555 #B53D25 #B58525

triadic

#B53D25 #25B53D #3D25B5

tetradic

#B53D25 #55B525 #259DB5 #8525B5

square

#B53D25 #55B525 #259DB5 #8525B5

split-complementary

#B53D25 #25B585 #2555B5

monochromatic

#4F1B10 #822C1B #B53D25 #D8593F #E28572

Accessibility & contrast

On white

5.74

#B53D25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B53D25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D25

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D25	#FFFFFF	#000000	##FFFFFF
##B53D25	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5521

Deuteranopia (green-blind)

#7D7020

Tritanopia (blue-blind)

#C71938

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53d25;
/* rgb */ color: rgb(181, 61, 37);
/* oklch */ color: oklch(52.8% 0.160 33.2);

Tailwind

colors: {
  custom: {
    50: '#d47961',
    500: '#b53d25',
    950: '#000000',
  },
}

SCSS

$custom: #b53d25;
$custom-light: #d47961;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d25",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 37
  },
  "hsl": {
    "h": 10,
    "s": 66.055,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52846,
    "c": 0.15998,
    "h": 33.2
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#B53D25

secondary

#6DBAC9

accent

#CDE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53D25

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

Preview Lab → · Contrast checker → · Palette generator →