#B02521#B02521

#B02521 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.176 H 27.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#B02521
RGB	rgb(176, 37, 33)
HSL	hsl(2, 68%, 41%)
HSV	hsv(2, 81%, 69%)
CMYK	cmyk(0%, 79%, 81.3%, 31%)
CIE-LAB	lab(39.01, 54.42, 37.96)
CIE-LCH	lch(39.01, 66.36, 34.90°)
OKLab	oklab(49.52% 0.1557 0.0816)
OKLCH	oklch(49.52% 0.176 27.7)
XYZ	xyz(18.8429, 10.6661, 2.5052)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02521 #21ACB0

analogous

#B02164 #B02521 #B06C21

triadic

#B02521 #21B025 #2521B0

tetradic

#B02521 #64B021 #21ACB0 #6C21B0

square

#B02521 #64B021 #21ACB0 #6C21B0

split-complementary

#B02521 #21B06C #2164B0

monochromatic

#490F0E #7C1A17 #B02521 #D93A35 #E36C69

Accessibility & contrast

On white

6.70

#B02521 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#B02521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02521

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02521	#FFFFFF	#000000	##FFFFFF
##B02521	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51491F

Deuteranopia (green-blind)

#73671A

Tritanopia (blue-blind)

#C20026

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b02521;
/* rgb */ color: rgb(176, 37, 33);
/* oklch */ color: oklch(49.5% 0.176 27.7);

Tailwind

colors: {
  custom: {
    50: '#d16d5d',
    500: '#b02521',
    950: '#000000',
  },
}

SCSS

$custom: #b02521;
$custom-light: #d16d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02521",
  "rgb": {
    "r": 176,
    "g": 37,
    "b": 33
  },
  "hsl": {
    "h": 1.678,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49524,
    "c": 0.17578,
    "h": 27.7
  },
  "luminance": 0.10663
}

Semantic roles & 50–950 ramp

primary

#B02521

secondary

#64C6C8

accent

#E6EB3D

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #B02521

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

Preview Lab → · Contrast checker → · Palette generator →