#B03D35#B03D35

#B03D35 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.151 H 27.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B03D35
RGB	rgb(176, 61, 53)
HSL	hsl(4, 54%, 45%)
HSV	hsv(4, 70%, 69%)
CMYK	cmyk(0%, 65.3%, 69.9%, 31%)
CIE-LAB	lab(42.50, 46.31, 30.32)
CIE-LCH	lch(42.50, 55.35, 33.21°)
OKLab	oklab(52.21% 0.1344 0.07)
OKLCH	oklch(52.21% 0.151 27.5)
XYZ	xyz(20.2180, 12.8275, 4.7788)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03D35 #35A8B0

analogous

#B0356B #B03D35 #B07A35

triadic

#B03D35 #35B03D #3D35B0

tetradic

#B03D35 #6BB035 #35A8B0 #7A35B0

square

#B03D35 #6BB035 #35A8B0 #7A35B0

split-complementary

#B03D35 #35B07A #356BB0

monochromatic

#521C19 #812D27 #B03D35 #CC5E56 #DA8B85

Accessibility & contrast

On white

5.89

#B03D35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B03D35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03D35

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03D35	#FFFFFF	#000000	##FFFFFF
##B03D35	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5533

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C1203C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03d35;
/* rgb */ color: rgb(176, 61, 53);
/* oklch */ color: oklch(52.2% 0.151 27.5);

Tailwind

colors: {
  custom: {
    50: '#cf786c',
    500: '#b03d35',
    950: '#000000',
  },
}

SCSS

$custom: #b03d35;
$custom-light: #cf786c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03d35",
  "rgb": {
    "r": 176,
    "g": 61,
    "b": 53
  },
  "hsl": {
    "h": 3.902,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52208,
    "c": 0.15149,
    "h": 27.5
  },
  "luminance": 0.12825
}

Semantic roles & 50–950 ramp

primary

#B03D35

secondary

#7DBFC4

accent

#D4DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03D35

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

Preview Lab → · Contrast checker → · Palette generator →