#B7504E#B7504E

#B7504E is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.3% C 0.134 H 23.5°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#B7504E
RGB	rgb(183, 80, 78)
HSL	hsl(1, 42%, 51%)
HSV	hsv(1, 57%, 72%)
CMYK	cmyk(0%, 56.3%, 57.4%, 28.2%)
CIE-LAB	lab(47.44, 41.59, 21.90)
CIE-LCH	lch(47.44, 47.00, 27.77°)
OKLab	oklab(56.28% 0.1234 0.0536)
OKLCH	oklch(56.28% 0.134 23.5)
XYZ	xyz(23.7742, 16.3575, 9.1116)
Luminance	0.1636 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7504E #4EB5B7

analogous

#B74E80 #B7504E #B7844E

triadic

#B7504E #4EB750 #504EB7

tetradic

#B7504E #80B74E #4EB5B7 #844EB7

square

#B7504E #80B74E #4EB5B7 #844EB7

split-complementary

#B7504E #4EB784 #4E80B7

monochromatic

#632928 #8E3B3A #B7504E #C97B7A #DAA6A5

Accessibility & contrast

On white

4.92

#B7504E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#B7504E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7504E

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7504E	#FFFFFF	#000000	##FFFFFF
##B7504E	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69634D

Deuteranopia (green-blind)

#83794C

Tritanopia (blue-blind)

#C83E50

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b7504e;
/* rgb */ color: rgb(183, 80, 78);
/* oklch */ color: oklch(56.3% 0.134 23.5);

Tailwind

colors: {
  custom: {
    50: '#d2847f',
    500: '#b7504e',
    950: '#000000',
  },
}

SCSS

$custom: #b7504e;
$custom-light: #d2847f;
$custom-dark: #000000;

JSON

{
  "hex": "#b7504e",
  "rgb": {
    "r": 183,
    "g": 80,
    "b": 78
  },
  "hsl": {
    "h": 1.143,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56284,
    "c": 0.13448,
    "h": 23.5
  },
  "luminance": 0.16355
}

Semantic roles & 50–950 ramp

primary

#B7504E

secondary

#99C7C8

accent

#D0D256

background

#FDF8F7

surface

#FBEFEE

border

#D4CAC9

text

#150B0A

muted

#837C7C

Preview Lab

Preview with #B7504E

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

Preview Lab → · Contrast checker → · Palette generator →