#B0583F#B0583F

#B0583F is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.2% C 0.121 H 36.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#B0583F
RGB	rgb(176, 88, 63)
HSL	hsl(13, 47%, 47%)
HSV	hsv(13, 64%, 69%)
CMYK	cmyk(0%, 50%, 64.2%, 31%)
CIE-LAB	lab(47.71, 33.72, 30.79)
CIE-LCH	lch(47.71, 45.66, 42.40°)
OKLab	oklab(56.2% 0.0971 0.0725)
OKLCH	oklch(56.2% 0.121 36.7)
XYZ	xyz(22.2933, 16.5710, 6.7262)
Luminance	0.1657 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0583F #3F97B0

analogous

#B03F5F #B0583F #B0903F

triadic

#B0583F #3FB058 #583FB0

tetradic

#B0583F #5FB03F #3F97B0 #903FB0

square

#B0583F #5FB03F #3F97B0 #903FB0

split-complementary

#B0583F #3FB090 #3F5FB0

monochromatic

#562B1F #83412F #B0583F #C87A65 #D8A192

Accessibility & contrast

On white

4.87

#B0583F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#B0583F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0583F

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0583F	#FFFFFF	#000000	##FFFFFF
##B0583F	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F653C

Deuteranopia (green-blind)

#84793D

Tritanopia (blue-blind)

#C04852

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b0583f;
/* rgb */ color: rgb(176, 88, 63);
/* oklch */ color: oklch(56.2% 0.121 36.7);

Tailwind

colors: {
  custom: {
    50: '#cd8974',
    500: '#b0583f',
    950: '#000000',
  },
}

SCSS

$custom: #b0583f;
$custom-light: #cd8974;
$custom-dark: #000000;

JSON

{
  "hex": "#b0583f",
  "rgb": {
    "r": 176,
    "g": 88,
    "b": 63
  },
  "hsl": {
    "h": 13.274,
    "s": 47.28,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56198,
    "c": 0.12116,
    "h": 36.7
  },
  "luminance": 0.16568
}

Semantic roles & 50–950 ramp

primary

#B0583F

secondary

#88B6C3

accent

#B9D751

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#140C08

muted

#837D7B

Preview Lab

Preview with #B0583F

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

Preview Lab → · Contrast checker → · Palette generator →