#B03B27#B03B27

#B03B27 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.156 H 32.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B03B27
RGB	rgb(176, 59, 39)
HSL	hsl(9, 64%, 42%)
HSV	hsv(9, 78%, 69%)
CMYK	cmyk(0%, 66.5%, 77.8%, 31%)
CIE-LAB	lab(42.01, 46.54, 37.73)
CIE-LCH	lch(42.01, 59.91, 39.04°)
OKLab	oklab(51.79% 0.1322 0.083)
OKLCH	oklch(51.79% 0.156 32.1)
XYZ	xyz(19.8369, 12.5074, 3.2887)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B27 #279CB0

analogous

#B02758 #B03B27 #B08027

triadic

#B03B27 #27B03B #3B27B0

tetradic

#B03B27 #58B027 #279CB0 #8027B0

square

#B03B27 #58B027 #279CB0 #8027B0

split-complementary

#B03B27 #27B080 #2758B0

monochromatic

#4C1911 #7E2A1C #B03B27 #D55540 #E08272

Accessibility & contrast

On white

6.00

#B03B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B03B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B27

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B27	#FFFFFF	#000000	##FFFFFF
##B03B27	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5324

Deuteranopia (green-blind)

#796D23

Tritanopia (blue-blind)

#C21937

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03b27;
/* rgb */ color: rgb(176, 59, 39);
/* oklch */ color: oklch(51.8% 0.156 32.1);

Tailwind

colors: {
  custom: {
    50: '#d07762',
    500: '#b03b27',
    950: '#000000',
  },
}

SCSS

$custom: #b03b27;
$custom-light: #d07762;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b27",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 8.759,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51785,
    "c": 0.15611,
    "h": 32.1
  },
  "luminance": 0.12505
}

Semantic roles & 50–950 ramp

primary

#B03B27

secondary

#6CB9C7

accent

#CFE741

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03B27

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

Preview Lab → · Contrast checker → · Palette generator →