#B02F1F#B02F1F

#B02F1F is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.4% C 0.168 H 30.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#B02F1F
RGB	rgb(176, 47, 31)
HSL	hsl(7, 70%, 41%)
HSV	hsv(7, 82%, 69%)
CMYK	cmyk(0%, 73.3%, 82.4%, 31%)
CIE-LAB	lab(40.19, 51.03, 40.18)
CIE-LCH	lch(40.19, 64.95, 38.22°)
OKLab	oklab(50.4% 0.1447 0.0858)
OKLCH	oklch(50.4% 0.168 30.7)
XYZ	xyz(19.1706, 11.3651, 2.4803)
Luminance	0.1136 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02F1F #1FA0B0

analogous

#B01F57 #B02F1F #B0771F

triadic

#B02F1F #1FB02F #2F1FB0

tetradic

#B02F1F #57B01F #1FA0B0 #771FB0

square

#B02F1F #57B01F #1FA0B0 #771FB0

split-complementary

#B02F1F #1FB077 #1F57B0

monochromatic

#48130D #7C2116 #B02F1F #DB4431 #E47365

Accessibility & contrast

On white

6.42

#B02F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B02F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02F1F

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02F1F	#FFFFFF	#000000	##FFFFFF
##B02F1F	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1C

Deuteranopia (green-blind)

#766918

Tritanopia (blue-blind)

#C2002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b02f1f;
/* rgb */ color: rgb(176, 47, 31);
/* oklch */ color: oklch(50.4% 0.168 30.7);

Tailwind

colors: {
  custom: {
    50: '#d1715d',
    500: '#b02f1f',
    950: '#000000',
  },
}

SCSS

$custom: #b02f1f;
$custom-light: #d1715d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02f1f",
  "rgb": {
    "r": 176,
    "g": 47,
    "b": 31
  },
  "hsl": {
    "h": 6.621,
    "s": 70.048,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50395,
    "c": 0.1682,
    "h": 30.7
  },
  "luminance": 0.11362
}

Semantic roles & 50–950 ramp

primary

#B02F1F

secondary

#62BEC9

accent

#D9ED3B

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B02F1F

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

Preview Lab → · Contrast checker → · Palette generator →