#B03E27#B03E27

#B03E27 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.2% C 0.153 H 33.3°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B03E27
RGB	rgb(176, 62, 39)
HSL	hsl(10, 64%, 42%)
HSV	hsv(10, 78%, 69%)
CMYK	cmyk(0%, 64.8%, 77.8%, 31%)
CIE-LAB	lab(42.50, 45.23, 38.24)
CIE-LCH	lch(42.50, 59.23, 40.22°)
OKLab	oklab(52.15% 0.1281 0.0841)
OKLCH	oklch(52.15% 0.153 33.3)
XYZ	xyz(19.9955, 12.8247, 3.3416)
Luminance	0.1282 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E27 #2799B0

analogous

#B02755 #B03E27 #B08327

triadic

#B03E27 #27B03E #3E27B0

tetradic

#B03E27 #55B027 #2799B0 #8327B0

square

#B03E27 #55B027 #2799B0 #8327B0

split-complementary

#B03E27 #27B083 #2755B0

monochromatic

#4C1B11 #7E2C1C #B03E27 #D55940 #E08472

Accessibility & contrast

On white

5.89

#B03E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B03E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E27

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E27	#FFFFFF	#000000	##FFFFFF
##B03E27	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5424

Deuteranopia (green-blind)

#7A6E23

Tritanopia (blue-blind)

#C21F39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03e27;
/* rgb */ color: rgb(176, 62, 39);
/* oklch */ color: oklch(52.2% 0.153 33.3);

Tailwind

colors: {
  custom: {
    50: '#d07963',
    500: '#b03e27',
    950: '#000000',
  },
}

SCSS

$custom: #b03e27;
$custom-light: #d07963;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e27",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 10.073,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52151,
    "c": 0.15328,
    "h": 33.3
  },
  "luminance": 0.12822
}

Semantic roles & 50–950 ramp

primary

#B03E27

secondary

#6CB8C7

accent

#CBE741

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B03E27

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

Preview Lab → · Contrast checker → · Palette generator →