#B03E59#B03E59

#B03E59 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.149 H 9.4°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B03E59
RGB	rgb(176, 62, 89)
HSL	hsl(346, 48%, 47%)
HSV	hsv(346, 65%, 69%)
CMYK	cmyk(0%, 64.8%, 49.4%, 31%)
CIE-LAB	lab(43.36, 48.47, 9.46)
CIE-LCH	lch(43.36, 49.39, 11.04°)
OKLab	oklab(53.07% 0.1472 0.0244)
OKLCH	oklch(53.07% 0.149 9.4)
XYZ	xyz(21.4320, 13.3993, 10.9070)
Luminance	0.1340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E59 #3EB095

analogous

#B03E92 #B03E59 #B05C3E

triadic

#B03E59 #59B03E #3E59B0

tetradic

#B03E59 #92B03E #3EB095 #5C3EB0

square

#B03E59 #92B03E #3EB095 #5C3EB0

split-complementary

#B03E59 #3EB05C #3E92B0

monochromatic

#551E2B #832E42 #B03E59 #C8637B #D890A1

Accessibility & contrast

On white

5.71

#B03E59 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B03E59 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E59

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E59	#FFFFFF	#000000	##FFFFFF
##B03E59	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57585A

Deuteranopia (green-blind)

#756F56

Tritanopia (blue-blind)

#BF2C49

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b03e59;
/* rgb */ color: rgb(176, 62, 89);
/* oklch */ color: oklch(53.1% 0.149 9.4);

Tailwind

colors: {
  custom: {
    50: '#cd7a87',
    500: '#b03e59',
    950: '#000000',
  },
}

SCSS

$custom: #b03e59;
$custom-light: #cd7a87;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e59",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 89
  },
  "hsl": {
    "h": 345.789,
    "s": 47.899,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53074,
    "c": 0.14919,
    "h": 9.4
  },
  "luminance": 0.13397
}

Semantic roles & 50–950 ramp

primary

#B03E59

secondary

#87C3B5

accent

#D7B750

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#140A0B

muted

#837C7C

Preview Lab

Preview with #B03E59

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

Preview Lab → · Contrast checker → · Palette generator →