#B43F25#B43F25

#B43F25 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.157 H 34.0°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B43F25
RGB	rgb(180, 63, 37)
HSL	hsl(11, 66%, 43%)
HSV	hsv(11, 79%, 71%)
CMYK	cmyk(0%, 65%, 79.4%, 29.4%)
CIE-LAB	lab(43.35, 46.14, 40.40)
CIE-LCH	lch(43.35, 61.32, 41.21°)
OKLab	oklab(52.92% 0.1302 0.0879)
OKLCH	oklch(52.92% 0.157 34)
XYZ	xyz(20.9362, 13.3949, 3.2330)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F25 #259AB4

analogous

#B42553 #B43F25 #B48625

triadic

#B43F25 #25B43F #3F25B4

tetradic

#B43F25 #53B425 #259AB4 #8625B4

square

#B43F25 #53B425 #259AB4 #8625B4

split-complementary

#B43F25 #25B486 #2553B4

monochromatic

#4E1B10 #812D1B #B43F25 #D75A3F #E28671

Accessibility & contrast

On white

5.71

#B43F25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B43F25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F25

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F25	#FFFFFF	#000000	##FFFFFF
##B43F25	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605621

Deuteranopia (green-blind)

#7D7020

Tritanopia (blue-blind)

#C61E3A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f25;
/* rgb */ color: rgb(180, 63, 37);
/* oklch */ color: oklch(52.9% 0.157 34.0);

Tailwind

colors: {
  custom: {
    50: '#d37a61',
    500: '#b43f25',
    950: '#000000',
  },
}

SCSS

$custom: #b43f25;
$custom-light: #d37a61;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f25",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 37
  },
  "hsl": {
    "h": 10.909,
    "s": 65.899,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52921,
    "c": 0.15708,
    "h": 34
  },
  "luminance": 0.13392
}

Semantic roles & 50–950 ramp

primary

#B43F25

secondary

#6CB8C9

accent

#CAE93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B43F25

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

Preview Lab → · Contrast checker → · Palette generator →