#B7403E#B7403E

#B7403E is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.155 H 24.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#B7403E
RGB	rgb(183, 64, 62)
HSL	hsl(1, 49%, 48%)
HSV	hsv(1, 66%, 72%)
CMYK	cmyk(0%, 65%, 66.1%, 28.2%)
CIE-LAB	lab(44.35, 47.93, 27.51)
CIE-LCH	lch(44.35, 55.26, 29.86°)
OKLab	oklab(53.87% 0.1404 0.0648)
OKLCH	oklch(53.87% 0.155 24.8)
XYZ	xyz(22.2336, 14.0850, 6.1044)
Luminance	0.1408 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7403E #3EB5B7

analogous

#B73E78 #B7403E #B77C3E

triadic

#B7403E #3EB740 #403EB7

tetradic

#B7403E #78B73E #3EB5B7 #7C3EB7

square

#B7403E #78B73E #3EB5B7 #7C3EB7

split-complementary

#B7403E #3EB77C #3E78B7

monochromatic

#5C201F #89302F #B7403E #CB6867 #DB9694

Accessibility & contrast

On white

5.50

#B7403E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B7403E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7403E

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7403E	#FFFFFF	#000000	##FFFFFF
##B7403E	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593D

Deuteranopia (green-blind)

#7E723B

Tritanopia (blue-blind)

#C92441

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b7403e;
/* rgb */ color: rgb(183, 64, 62);
/* oklch */ color: oklch(53.9% 0.155 24.8);

Tailwind

colors: {
  custom: {
    50: '#d37b73',
    500: '#b7403e',
    950: '#000000',
  },
}

SCSS

$custom: #b7403e;
$custom-light: #d37b73;
$custom-dark: #000000;

JSON

{
  "hex": "#b7403e",
  "rgb": {
    "r": 183,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 0.992,
    "s": 49.388,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53873,
    "c": 0.15468,
    "h": 24.8
  },
  "luminance": 0.14082
}

Semantic roles & 50–950 ramp

primary

#B7403E

secondary

#8AC5C6

accent

#D7D94F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B7403E

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

Preview Lab → · Contrast checker → · Palette generator →