#BB5739#BB5739

#BB5739 is a mid, vivid red. Relative luminance 0.177; OKLCH L 57.6% C 0.137 H 37.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#BB5739
RGB	rgb(187, 87, 57)
HSL	hsl(14, 53%, 48%)
HSV	hsv(14, 70%, 73%)
CMYK	cmyk(0%, 53.5%, 69.5%, 26.7%)
CIE-LAB	lab(49.11, 38.20, 36.21)
CIE-LCH	lch(49.11, 52.63, 43.47°)
OKLab	oklab(57.57% 0.1087 0.083)
OKLCH	oklch(57.57% 0.137 37.4)
XYZ	xyz(24.6426, 17.6797, 5.9849)
Luminance	0.1768 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5739 #399DBB

analogous

#BB395C #BB5739 #BB9839

triadic

#BB5739 #39BB57 #5739BB

tetradic

#BB5739 #5CBB39 #399DBB #9839BB

square

#BB5739 #5CBB39 #399DBB #9839BB

split-complementary

#BB5739 #39BB98 #395CBB

monochromatic

#5D2B1C #8C412B #BB5739 #CF7B62 #DDA391

Accessibility & contrast

On white

4.63

#BB5739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#BB5739 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5739

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5739	#FFFFFF	#000000	##FFFFFF
##BB5739	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726736

Deuteranopia (green-blind)

#8A7D37

Tritanopia (blue-blind)

#CD4350

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #bb5739;
/* rgb */ color: rgb(187, 87, 57);
/* oklch */ color: oklch(57.6% 0.137 37.4);

Tailwind

colors: {
  custom: {
    50: '#d68970',
    500: '#bb5739',
    950: '#000000',
  },
}

SCSS

$custom: #bb5739;
$custom-light: #d68970;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5739",
  "rgb": {
    "r": 187,
    "g": 87,
    "b": 57
  },
  "hsl": {
    "h": 13.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57566,
    "c": 0.13679,
    "h": 37.4
  },
  "luminance": 0.17677
}

Semantic roles & 50–950 ramp

primary

#BB5739

secondary

#87B9C8

accent

#BBDD4B

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#160C07

muted

#847D7A

Preview Lab

Preview with #BB5739

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

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