#B3401C#B3401C

#B3401C is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.157 H 37.0°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B3401C
RGB	rgb(179, 64, 28)
HSL	hsl(14, 73%, 41%)
HSV	hsv(14, 84%, 70%)
CMYK	cmyk(0%, 64.2%, 84.4%, 29.8%)
CIE-LAB	lab(43.27, 45.05, 44.69)
CIE-LCH	lch(43.27, 63.46, 44.77°)
OKLab	oklab(52.8% 0.1254 0.0944)
OKLCH	oklch(52.8% 0.157 37)
XYZ	xyz(20.6357, 13.3373, 2.5862)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3401C #1C8FB3

analogous

#B31C43 #B3401C #B38C1C

triadic

#B3401C #1CB340 #401CB3

tetradic

#B3401C #43B31C #1C8FB3 #8C1CB3

square

#B3401C #43B31C #1C8FB3 #8C1CB3

split-complementary

#B3401C #1CB38C #1C43B3

monochromatic

#491A0B #7E2D14 #B3401C #DE582E #E78263

Accessibility & contrast

On white

5.73

#B3401C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B3401C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3401C

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3401C	#FFFFFF	#000000	##FFFFFF
##B3401C	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615616

Deuteranopia (green-blind)

#7E7016

Tritanopia (blue-blind)

#C52039

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b3401c;
/* rgb */ color: rgb(179, 64, 28);
/* oklch */ color: oklch(52.8% 0.157 37.0);

Tailwind

colors: {
  custom: {
    50: '#d27a5c',
    500: '#b3401c',
    950: '#000000',
  },
}

SCSS

$custom: #b3401c;
$custom-light: #d27a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3401c",
  "rgb": {
    "r": 179,
    "g": 64,
    "b": 28
  },
  "hsl": {
    "h": 14.305,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.528,
    "c": 0.15694,
    "h": 37
  },
  "luminance": 0.13334
}

Semantic roles & 50–950 ramp

primary

#B3401C

secondary

#5FB2CB

accent

#C4F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3401C

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

Preview Lab → · Contrast checker → · Palette generator →