#B43D25#B43D25

#B43D25 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 33.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B43D25
RGB	rgb(180, 61, 37)
HSL	hsl(10, 66%, 43%)
HSV	hsv(10, 79%, 71%)
CMYK	cmyk(0%, 66.1%, 79.4%, 29.4%)
CIE-LAB	lab(43.03, 47.00, 40.08)
CIE-LCH	lch(43.03, 61.77, 40.45°)
OKLab	oklab(52.68% 0.1329 0.0872)
OKLCH	oklch(52.68% 0.159 33.3)
XYZ	xyz(20.8274, 13.1774, 3.1967)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43D25 #259CB4

analogous

#B42554 #B43D25 #B48525

triadic

#B43D25 #25B43D #3D25B4

tetradic

#B43D25 #54B425 #259CB4 #8525B4

square

#B43D25 #54B425 #259CB4 #8525B4

split-complementary

#B43D25 #25B485 #2554B4

monochromatic

#4E1B10 #812C1B #B43D25 #D7583F #E28471

Accessibility & contrast

On white

5.78

#B43D25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B43D25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D25

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43D25	#FFFFFF	#000000	##FFFFFF
##B43D25	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5521

Deuteranopia (green-blind)

#7D6F20

Tritanopia (blue-blind)

#C61A38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43d25;
/* rgb */ color: rgb(180, 61, 37);
/* oklch */ color: oklch(52.7% 0.159 33.3);

Tailwind

colors: {
  custom: {
    50: '#d37961',
    500: '#b43d25',
    950: '#000000',
  },
}

SCSS

$custom: #b43d25;
$custom-light: #d37961;
$custom-dark: #000000;

JSON

{
  "hex": "#b43d25",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 37
  },
  "hsl": {
    "h": 10.07,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52678,
    "c": 0.15892,
    "h": 33.3
  },
  "luminance": 0.13174
}

Semantic roles & 50–950 ramp

primary

#B43D25

secondary

#6CB9C9

accent

#CCE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43D25

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

Preview Lab → · Contrast checker → · Palette generator →