#B3402F#B3402F

#B3402F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.0% C 0.153 H 31.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B3402F
RGB	rgb(179, 64, 47)
HSL	hsl(8, 58%, 44%)
HSV	hsv(8, 74%, 70%)
CMYK	cmyk(0%, 64.2%, 73.7%, 29.8%)
CIE-LAB	lab(43.45, 45.74, 35.00)
CIE-LCH	lch(43.45, 57.60, 37.42°)
OKLab	oklab(52.99% 0.131 0.0789)
OKLCH	oklch(52.99% 0.153 31)
XYZ	xyz(20.9391, 13.4587, 4.1840)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3402F #2FA2B3

analogous

#B32F60 #B3402F #B3822F

triadic

#B3402F #2FB340 #402FB3

tetradic

#B3402F #60B32F #2FA2B3 #822FB3

square

#B3402F #60B32F #2FA2B3 #822FB3

split-complementary

#B3402F #2FB382 #2F60B3

monochromatic

#521D16 #832F22 #B3402F #D15F4F #DD8B7F

Accessibility & contrast

On white

5.69

#B3402F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B3402F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3402F

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3402F	#FFFFFF	#000000	##FFFFFF
##B3402F	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572C

Deuteranopia (green-blind)

#7C702B

Tritanopia (blue-blind)

#C5233D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b3402f;
/* rgb */ color: rgb(179, 64, 47);
/* oklch */ color: oklch(53.0% 0.153 31.0);

Tailwind

colors: {
  custom: {
    50: '#d17a68',
    500: '#b3402f',
    950: '#000000',
  },
}

SCSS

$custom: #b3402f;
$custom-light: #d17a68;
$custom-dark: #000000;

JSON

{
  "hex": "#b3402f",
  "rgb": {
    "r": 179,
    "g": 64,
    "b": 47
  },
  "hsl": {
    "h": 7.727,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52992,
    "c": 0.15293,
    "h": 31
  },
  "luminance": 0.13456
}

Semantic roles & 50–950 ramp

primary

#B3402F

secondary

#78BCC6

accent

#CEE246

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B3402F

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

Preview Lab → · Contrast checker → · Palette generator →