#B03026#B03026

#B03026 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.166 H 28.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#B03026
RGB	rgb(176, 48, 38)
HSL	hsl(4, 64%, 42%)
HSV	hsv(4, 78%, 69%)
CMYK	cmyk(0%, 72.7%, 78.4%, 31%)
CIE-LAB	lab(40.39, 50.90, 36.59)
CIE-LCH	lch(40.39, 62.69, 35.71°)
OKLab	oklab(50.57% 0.1457 0.0802)
OKLCH	oklch(50.57% 0.166 28.8)
XYZ	xyz(19.3136, 11.4869, 3.0336)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03026 #26A6B0

analogous

#B02661 #B03026 #B07526

triadic

#B03026 #26B030 #3026B0

tetradic

#B03026 #61B026 #26A6B0 #7526B0

square

#B03026 #61B026 #26A6B0 #7526B0

split-complementary

#B03026 #26B075 #2661B0

monochromatic

#4B1510 #7E221B #B03026 #D5493E #E07870

Accessibility & contrast

On white

6.37

#B03026 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#B03026 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03026

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03026	#FFFFFF	#000000	##FFFFFF
##B03026	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D24

Deuteranopia (green-blind)

#766921

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b03026;
/* rgb */ color: rgb(176, 48, 38);
/* oklch */ color: oklch(50.6% 0.166 28.8);

Tailwind

colors: {
  custom: {
    50: '#d07161',
    500: '#b03026',
    950: '#000000',
  },
}

SCSS

$custom: #b03026;
$custom-light: #d07161;
$custom-dark: #000000;

JSON

{
  "hex": "#b03026",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 38
  },
  "hsl": {
    "h": 4.348,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50566,
    "c": 0.16628,
    "h": 28.8
  },
  "luminance": 0.11484
}

Semantic roles & 50–950 ramp

primary

#B03026

secondary

#6BC0C7

accent

#DBE740

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B03026

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

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