#B03A29#B03A29

#B03A29 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.157 H 31.1°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B03A29
RGB	rgb(176, 58, 41)
HSL	hsl(8, 62%, 43%)
HSV	hsv(8, 77%, 69%)
CMYK	cmyk(0%, 67%, 76.7%, 31%)
CIE-LAB	lab(41.87, 47.04, 36.49)
CIE-LCH	lch(41.87, 59.53, 37.80°)
OKLab	oklab(51.69% 0.1342 0.0809)
OKLCH	oklch(51.69% 0.157 31.1)
XYZ	xyz(19.8200, 12.4192, 3.4509)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A29 #299FB0

analogous

#B0295B #B03A29 #B07E29

triadic

#B03A29 #29B03A #3A29B0

tetradic

#B03A29 #5BB029 #299FB0 #7E29B0

square

#B03A29 #5BB029 #299FB0 #7E29B0

split-complementary

#B03A29 #29B07E #295BB0

monochromatic

#4D1912 #7E2A1D #B03A29 #D35543 #DF8275

Accessibility & contrast

On white

6.03

#B03A29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B03A29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A29

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A29	#FFFFFF	#000000	##FFFFFF
##B03A29	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5226

Deuteranopia (green-blind)

#796C25

Tritanopia (blue-blind)

#C21737

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a29;
/* rgb */ color: rgb(176, 58, 41);
/* oklch */ color: oklch(51.7% 0.157 31.1);

Tailwind

colors: {
  custom: {
    50: '#d07764',
    500: '#b03a29',
    950: '#000000',
  },
}

SCSS

$custom: #b03a29;
$custom-light: #d07764;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a29",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 41
  },
  "hsl": {
    "h": 7.556,
    "s": 62.212,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51689,
    "c": 0.15666,
    "h": 31.1
  },
  "luminance": 0.12416
}

Semantic roles & 50–950 ramp

primary

#B03A29

secondary

#6FBBC6

accent

#D1E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #B03A29

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

Preview Lab → · Contrast checker → · Palette generator →