#B03438#B03438

#B03438 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.160 H 23.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B03438
RGB	rgb(176, 52, 56)
HSL	hsl(358, 54%, 45%)
HSV	hsv(358, 70%, 69%)
CMYK	cmyk(0%, 70.5%, 68.2%, 31%)
CIE-LAB	lab(41.18, 50.20, 26.93)
CIE-LCH	lch(41.18, 56.96, 28.21°)
OKLab	oklab(51.23% 0.1473 0.063)
OKLCH	oklch(51.23% 0.16 23.2)
XYZ	xyz(19.8484, 11.9745, 5.0068)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03438 #34B0AC

analogous

#B03476 #B03438 #B06E34

triadic

#B03438 #38B034 #3438B0

tetradic

#B03438 #76B034 #34B0AC #6E34B0

square

#B03438 #76B034 #34B0AC #6E34B0

split-complementary

#B03438 #34B06E #3476B0

monochromatic

#52181A #812629 #B03438 #CD5558 #DB8487

Accessibility & contrast

On white

6.19

#B03438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B03438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03438

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03438	#FFFFFF	#000000	##FFFFFF
##B03438	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565037

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#C10C37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03438;
/* rgb */ color: rgb(176, 52, 56);
/* oklch */ color: oklch(51.2% 0.160 23.2);

Tailwind

colors: {
  custom: {
    50: '#cf746e',
    500: '#b03438',
    950: '#000000',
  },
}

SCSS

$custom: #b03438;
$custom-light: #cf746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b03438",
  "rgb": {
    "r": 176,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.065,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51229,
    "c": 0.16015,
    "h": 23.2
  },
  "luminance": 0.11972
}

Semantic roles & 50–950 ramp

primary

#B03438

secondary

#7CC4C2

accent

#DED94A

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03438

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

Preview Lab → · Contrast checker → · Palette generator →