#B03E35#B03E35

#B03E35 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.150 H 27.9°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B03E35
RGB	rgb(176, 62, 53)
HSL	hsl(4, 54%, 45%)
HSV	hsv(4, 70%, 69%)
CMYK	cmyk(0%, 64.8%, 69.9%, 31%)
CIE-LAB	lab(42.67, 45.87, 30.51)
CIE-LCH	lch(42.67, 55.09, 33.63°)
OKLab	oklab(52.33% 0.133 0.0704)
OKLCH	oklch(52.33% 0.15 27.9)
XYZ	xyz(20.2718, 12.9352, 4.7968)
Luminance	0.1293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03E35 #35A7B0

analogous

#B0356A #B03E35 #B07B35

triadic

#B03E35 #35B03E #3E35B0

tetradic

#B03E35 #6AB035 #35A7B0 #7B35B0

square

#B03E35 #6AB035 #35A7B0 #7B35B0

split-complementary

#B03E35 #35B07B #356AB0

monochromatic

#521D19 #812D27 #B03E35 #CC5F56 #DA8B85

Accessibility & contrast

On white

5.86

#B03E35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B03E35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03E35

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03E35	#FFFFFF	#000000	##FFFFFF
##B03E35	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5533

Deuteranopia (green-blind)

#796E32

Tritanopia (blue-blind)

#C1223D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03e35;
/* rgb */ color: rgb(176, 62, 53);
/* oklch */ color: oklch(52.3% 0.150 27.9);

Tailwind

colors: {
  custom: {
    50: '#cf796c',
    500: '#b03e35',
    950: '#000000',
  },
}

SCSS

$custom: #b03e35;
$custom-light: #cf796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03e35",
  "rgb": {
    "r": 176,
    "g": 62,
    "b": 53
  },
  "hsl": {
    "h": 4.39,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5233,
    "c": 0.15046,
    "h": 27.9
  },
  "luminance": 0.12932
}

Semantic roles & 50–950 ramp

primary

#B03E35

secondary

#7DBFC4

accent

#D2DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03E35

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

Preview Lab → · Contrast checker → · Palette generator →