#B03B35#B03B35

#B03B35 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.0% C 0.154 H 26.8°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B03B35
RGB	rgb(176, 59, 53)
HSL	hsl(3, 54%, 45%)
HSV	hsv(3, 70%, 69%)
CMYK	cmyk(0%, 66.5%, 69.9%, 31%)
CIE-LAB	lab(42.18, 47.17, 29.94)
CIE-LCH	lch(42.18, 55.87, 32.40°)
OKLab	oklab(51.97% 0.1371 0.0692)
OKLCH	oklch(51.97% 0.154 26.8)
XYZ	xyz(20.1132, 12.6179, 4.7439)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B35 #35AAB0

analogous

#B0356C #B03B35 #B07935

triadic

#B03B35 #35B03B #3B35B0

tetradic

#B03B35 #6CB035 #35AAB0 #7935B0

square

#B03B35 #6CB035 #35AAB0 #7935B0

split-complementary

#B03B35 #35B079 #356CB0

monochromatic

#521B19 #812B27 #B03B35 #CC5C56 #DA8985

Accessibility & contrast

On white

5.96

#B03B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B03B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B35

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B35	#FFFFFF	#000000	##FFFFFF
##B03B35	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5433

Deuteranopia (green-blind)

#786D31

Tritanopia (blue-blind)

#C11C3B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03b35;
/* rgb */ color: rgb(176, 59, 53);
/* oklch */ color: oklch(52.0% 0.154 26.8);

Tailwind

colors: {
  custom: {
    50: '#cf776c',
    500: '#b03b35',
    950: '#000000',
  },
}

SCSS

$custom: #b03b35;
$custom-light: #cf776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b35",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 53
  },
  "hsl": {
    "h": 2.927,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51967,
    "c": 0.15352,
    "h": 26.8
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#B03B35

secondary

#7DC0C4

accent

#D6DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03B35

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

Preview Lab → · Contrast checker → · Palette generator →