#B0402F#B0402F

#B0402F is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.150 H 31.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B0402F
RGB	rgb(176, 64, 47)
HSL	hsl(8, 58%, 44%)
HSV	hsv(8, 73%, 69%)
CMYK	cmyk(0%, 63.6%, 73.3%, 31%)
CIE-LAB	lab(42.92, 44.67, 34.27)
CIE-LCH	lch(42.92, 56.31, 37.49°)
OKLab	oklab(52.5% 0.128 0.0775)
OKLCH	oklch(52.5% 0.15 31.2)
XYZ	xyz(20.2531, 13.1050, 4.1518)
Luminance	0.1310 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0402F #2F9FB0

analogous

#B02F5E #B0402F #B0802F

triadic

#B0402F #2FB040 #402FB0

tetradic

#B0402F #5EB02F #2F9FB0 #802FB0

square

#B0402F #5EB02F #2F9FB0 #802FB0

split-complementary

#B0402F #2FB080 #2F5EB0

monochromatic

#4F1D15 #802E22 #B0402F #CF5E4D #DC8A7D

Accessibility & contrast

On white

5.80

#B0402F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B0402F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0402F

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0402F	#FFFFFF	#000000	##FFFFFF
##B0402F	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562D

Deuteranopia (green-blind)

#7B6E2B

Tritanopia (blue-blind)

#C1243D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b0402f;
/* rgb */ color: rgb(176, 64, 47);
/* oklch */ color: oklch(52.5% 0.150 31.2);

Tailwind

colors: {
  custom: {
    50: '#cf7a68',
    500: '#b0402f',
    950: '#000000',
  },
}

SCSS

$custom: #b0402f;
$custom-light: #cf7a68;
$custom-dark: #000000;

JSON

{
  "hex": "#b0402f",
  "rgb": {
    "r": 176,
    "g": 64,
    "b": 47
  },
  "hsl": {
    "h": 7.907,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52498,
    "c": 0.14964,
    "h": 31.2
  },
  "luminance": 0.13102
}

Semantic roles & 50–950 ramp

primary

#B0402F

secondary

#76BBC5

accent

#CDE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B0402F

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

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