#B3402B#B3402B

#B3402B is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.154 H 32.5°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B3402B
RGB	rgb(179, 64, 43)
HSL	hsl(9, 61%, 44%)
HSV	hsv(9, 76%, 70%)
CMYK	cmyk(0%, 64.2%, 76%, 29.8%)
CIE-LAB	lab(43.40, 45.57, 37.18)
CIE-LCH	lch(43.40, 58.81, 39.21°)
OKLab	oklab(52.94% 0.1297 0.0827)
OKLCH	oklch(52.94% 0.154 32.5)
XYZ	xyz(20.8621, 13.4279, 3.7783)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3402B #2B9EB3

analogous

#B32B5A #B3402B #B3842B

triadic

#B3402B #2BB340 #402BB3

tetradic

#B3402B #5AB32B #2B9EB3 #842BB3

square

#B3402B #5AB32B #2B9EB3 #842BB3

split-complementary

#B3402B #2BB384 #2B5AB3

monochromatic

#501D13 #822E1F #B3402B #D35E48 #DF8979

Accessibility & contrast

On white

5.70

#B3402B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B3402B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3402B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3402B	#FFFFFF	#000000	##FFFFFF
##B3402B	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605728

Deuteranopia (green-blind)

#7D7027

Tritanopia (blue-blind)

#C5223C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b3402b;
/* rgb */ color: rgb(179, 64, 43);
/* oklch */ color: oklch(52.9% 0.154 32.5);

Tailwind

colors: {
  custom: {
    50: '#d27a65',
    500: '#b3402b',
    950: '#000000',
  },
}

SCSS

$custom: #b3402b;
$custom-light: #d27a65;
$custom-dark: #000000;

JSON

{
  "hex": "#b3402b",
  "rgb": {
    "r": 179,
    "g": 64,
    "b": 43
  },
  "hsl": {
    "h": 9.265,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52943,
    "c": 0.15378,
    "h": 32.5
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#B3402B

secondary

#73BAC7

accent

#CCE443

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B3402B

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

Preview Lab → · Contrast checker → · Palette generator →