#B03B45#B03B45

#B03B45 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.152 H 19.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B03B45
RGB	rgb(176, 59, 69)
HSL	hsl(355, 50%, 46%)
HSV	hsv(355, 66%, 69%)
CMYK	cmyk(0%, 66.5%, 60.8%, 31%)
CIE-LAB	lab(42.45, 48.15, 20.59)
CIE-LCH	lch(42.45, 52.37, 23.15°)
OKLab	oklab(52.25% 0.1433 0.05)
OKLCH	oklch(52.25% 0.152 19.2)
XYZ	xyz(20.5446, 12.7905, 7.0161)
Luminance	0.1279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03B45 #3BB0A6

analogous

#B03B7F #B03B45 #B06B3B

triadic

#B03B45 #45B03B #3B45B0

tetradic

#B03B45 #7FB03B #3BB0A6 #6B3BB0

square

#B03B45 #7FB03B #3BB0A6 #6B3BB0

split-complementary

#B03B45 #3BB06B #3B7FB0

monochromatic

#541C21 #822C33 #B03B45 #C95F68 #D98D93

Accessibility & contrast

On white

5.90

#B03B45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B03B45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03B45

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03B45	#FFFFFF	#000000	##FFFFFF
##B03B45	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595545

Deuteranopia (green-blind)

#776D42

Tritanopia (blue-blind)

#C1213F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b03b45;
/* rgb */ color: rgb(176, 59, 69);
/* oklch */ color: oklch(52.3% 0.152 19.2);

Tailwind

colors: {
  custom: {
    50: '#ce7878',
    500: '#b03b45',
    950: '#000000',
  },
}

SCSS

$custom: #b03b45;
$custom-light: #ce7878;
$custom-dark: #000000;

JSON

{
  "hex": "#b03b45",
  "rgb": {
    "r": 176,
    "g": 59,
    "b": 69
  },
  "hsl": {
    "h": 354.872,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5225,
    "c": 0.1518,
    "h": 19.2
  },
  "luminance": 0.12788
}

Semantic roles & 50–950 ramp

primary

#B03B45

secondary

#83C3BE

accent

#D9CD4E

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03B45

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

Preview Lab → · Contrast checker → · Palette generator →