#B04031#B04031

#B04031 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.149 H 30.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B04031
RGB	rgb(176, 64, 49)
HSL	hsl(7, 56%, 44%)
HSV	hsv(7, 72%, 69%)
CMYK	cmyk(0%, 63.6%, 72.2%, 31%)
CIE-LAB	lab(42.95, 44.77, 33.16)
CIE-LCH	lch(42.95, 55.71, 36.53°)
OKLab	oklab(52.52% 0.1287 0.0755)
OKLCH	oklch(52.52% 0.149 30.4)
XYZ	xyz(20.2944, 13.1215, 4.3692)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B04031 #31A1B0

analogous

#B03162 #B04031 #B08031

triadic

#B04031 #31B040 #4031B0

tetradic

#B04031 #62B031 #31A1B0 #8031B0

square

#B04031 #62B031 #31A1B0 #8031B0

split-complementary

#B04031 #31B080 #3162B0

monochromatic

#501D16 #802F24 #B04031 #CE5F50 #DC8B80

Accessibility & contrast

On white

5.80

#B04031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B04031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04031

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B04031	#FFFFFF	#000000	##FFFFFF
##B04031	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)

#5F562F

Deuteranopia (green-blind)

#7B6F2E

Tritanopia (blue-blind)

#C1253D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b04031;
/* rgb */ color: rgb(176, 64, 49);
/* oklch */ color: oklch(52.5% 0.149 30.4);

Tailwind

colors: {
  custom: {
    50: '#cf7a6a',
    500: '#b04031',
    950: '#000000',
  },
}

SCSS

$custom: #b04031;
$custom-light: #cf7a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b04031",
  "rgb": {
    "r": 176,
    "g": 64,
    "b": 49
  },
  "hsl": {
    "h": 7.087,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52524,
    "c": 0.14921,
    "h": 30.4
  },
  "luminance": 0.13119
}

Semantic roles & 50–950 ramp

primary

#B04031

secondary

#78BCC5

accent

#CEE048

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B04031

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

Preview Lab → · Contrast checker → · Palette generator →