#B03A35#B03A35

#B03A35 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.155 H 26.4°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B03A35
RGB	rgb(176, 58, 53)
HSL	hsl(2, 54%, 45%)
HSV	hsv(2, 70%, 69%)
CMYK	cmyk(0%, 67%, 69.9%, 31%)
CIE-LAB	lab(42.02, 47.60, 29.75)
CIE-LCH	lch(42.02, 56.13, 32.01°)
OKLab	oklab(51.85% 0.1384 0.0687)
OKLCH	oklch(51.85% 0.155 26.4)
XYZ	xyz(20.0623, 12.5161, 4.7269)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A35 #35ABB0

analogous

#B0356E #B03A35 #B07835

triadic

#B03A35 #35B03A #3A35B0

tetradic

#B03A35 #6EB035 #35ABB0 #7835B0

square

#B03A35 #6EB035 #35ABB0 #7835B0

split-complementary

#B03A35 #35B078 #356EB0

monochromatic

#521B19 #812A27 #B03A35 #CC5B56 #DA8985

Accessibility & contrast

On white

6.00

#B03A35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B03A35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A35

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A35	#FFFFFF	#000000	##FFFFFF
##B03A35	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5334

Deuteranopia (green-blind)

#786D31

Tritanopia (blue-blind)

#C11A3A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a35;
/* rgb */ color: rgb(176, 58, 53);
/* oklch */ color: oklch(51.8% 0.155 26.4);

Tailwind

colors: {
  custom: {
    50: '#cf776c',
    500: '#b03a35',
    950: '#000000',
  },
}

SCSS

$custom: #b03a35;
$custom-light: #cf776c;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a35",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 53
  },
  "hsl": {
    "h": 2.439,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5185,
    "c": 0.15454,
    "h": 26.4
  },
  "luminance": 0.12513
}

Semantic roles & 50–950 ramp

primary

#B03A35

secondary

#7DC1C4

accent

#D7DD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B03A35

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

Preview Lab → · Contrast checker → · Palette generator →