#B75039#B75039

#B75039 is a mid, vivid red. Relative luminance 0.161; OKLCH L 55.9% C 0.139 H 34.0°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#B75039
RGB	rgb(183, 80, 57)
HSL	hsl(11, 53%, 47%)
HSV	hsv(11, 69%, 72%)
CMYK	cmyk(0%, 56.3%, 68.9%, 28.2%)
CIE-LAB	lab(47.11, 40.18, 33.73)
CIE-LCH	lch(47.11, 52.46, 40.02°)
OKLab	oklab(55.93% 0.1152 0.0778)
OKLCH	oklch(55.93% 0.139 34)
XYZ	xyz(23.1378, 16.1030, 5.7599)
Luminance	0.1610 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B75039 #39A0B7

analogous

#B73961 #B75039 #B78F39

triadic

#B75039 #39B750 #5039B7

tetradic

#B75039 #61B739 #39A0B7 #8F39B7

square

#B75039 #61B739 #39A0B7 #8F39B7

split-complementary

#B75039 #39B78F #3961B7

monochromatic

#5A271C #883C2A #B75039 #CD7460 #DC9D8E

Accessibility & contrast

On white

4.98

#B75039 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#B75039 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B75039

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B75039	#FFFFFF	#000000	##FFFFFF
##B75039	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6236

Deuteranopia (green-blind)

#857836

Tritanopia (blue-blind)

#C93B4B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b75039;
/* rgb */ color: rgb(183, 80, 57);
/* oklch */ color: oklch(55.9% 0.139 34.0);

Tailwind

colors: {
  custom: {
    50: '#d38470',
    500: '#b75039',
    950: '#000000',
  },
}

SCSS

$custom: #b75039;
$custom-light: #d38470;
$custom-dark: #000000;

JSON

{
  "hex": "#b75039",
  "rgb": {
    "r": 183,
    "g": 80,
    "b": 57
  },
  "hsl": {
    "h": 10.952,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55927,
    "c": 0.13904,
    "h": 34
  },
  "luminance": 0.161
}

Semantic roles & 50–950 ramp

primary

#B75039

secondary

#85BBC7

accent

#C2DC4C

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B75039

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

Preview Lab → · Contrast checker → · Palette generator →