#B43E25#B43E25

#B43E25 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.158 H 33.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#B43E25
RGB	rgb(180, 62, 37)
HSL	hsl(10, 66%, 43%)
HSV	hsv(10, 79%, 71%)
CMYK	cmyk(0%, 65.6%, 79.4%, 29.4%)
CIE-LAB	lab(43.19, 46.57, 40.24)
CIE-LCH	lch(43.19, 61.55, 40.83°)
OKLab	oklab(52.8% 0.1315 0.0875)
OKLCH	oklch(52.8% 0.158 33.6)
XYZ	xyz(20.8813, 13.2852, 3.2147)
Luminance	0.1328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E25 #259BB4

analogous

#B42553 #B43E25 #B48625

triadic

#B43E25 #25B43E #3E25B4

tetradic

#B43E25 #53B425 #259BB4 #8625B4

square

#B43E25 #53B425 #259BB4 #8625B4

split-complementary

#B43E25 #25B486 #2553B4

monochromatic

#4E1B10 #812D1B #B43E25 #D7593F #E28571

Accessibility & contrast

On white

5.74

#B43E25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B43E25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E25

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E25	#FFFFFF	#000000	##FFFFFF
##B43E25	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)

#605621

Deuteranopia (green-blind)

#7D7020

Tritanopia (blue-blind)

#C61C39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e25;
/* rgb */ color: rgb(180, 62, 37);
/* oklch */ color: oklch(52.8% 0.158 33.6);

Tailwind

colors: {
  custom: {
    50: '#d37961',
    500: '#b43e25',
    950: '#000000',
  },
}

SCSS

$custom: #b43e25;
$custom-light: #d37961;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e25",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 37
  },
  "hsl": {
    "h": 10.49,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52799,
    "c": 0.158,
    "h": 33.6
  },
  "luminance": 0.13282
}

Semantic roles & 50–950 ramp

primary

#B43E25

secondary

#6CB9C9

accent

#CBE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43E25

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

Preview Lab → · Contrast checker → · Palette generator →