#B03B2D#B03B2D

#B03B2D is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.155 H 30.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B03B2D
RGB	rgb(176, 59, 45)
HSL	hsl(6, 59%, 43%)
HSV	hsv(6, 74%, 69%)
CMYK	cmyk(0%, 66.5%, 74.4%, 31%)
CIE-LAB	lab(42.08, 46.78, 34.46)
CIE-LCH	lch(42.08, 58.11, 36.38°)
OKLab	oklab(51.86% 0.1342 0.0774)
OKLCH	oklch(51.86% 0.155 30)
XYZ	xyz(19.9443, 12.5504, 3.8544)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B2D #2DA2B0

analogous

#B02D60 #B03B2D #B07C2D

triadic

#B03B2D #2DB03B #3B2DB0

tetradic

#B03B2D #60B02D #2DA2B0 #7C2DB0

square

#B03B2D #60B02D #2DA2B0 #7C2DB0

split-complementary

#B03B2D #2DB07C #2D60B0

monochromatic

#4F1A14 #7F2B21 #B03B2D #D1584A #DD857A

Accessibility & contrast

On white

5.98

#B03B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B03B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B2D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B2D	#FFFFFF	#000000	##FFFFFF
##B03B2D	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C532B

Deuteranopia (green-blind)

#796D29

Tritanopia (blue-blind)

#C21A39

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03b2d;
/* rgb */ color: rgb(176, 59, 45);
/* oklch */ color: oklch(51.9% 0.155 30.0);

Tailwind

colors: {
  custom: {
    50: '#cf7767',
    500: '#b03b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b03b2d;
$custom-light: #cf7767;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b2d",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 6.412,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51856,
    "c": 0.15494,
    "h": 30
  },
  "luminance": 0.12547
}

Semantic roles & 50–950 ramp

primary

#B03B2D

secondary

#73BDC5

accent

#D2E245

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03B2D

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

Preview Lab → · Contrast checker → · Palette generator →