#B03A2D#B03A2D

#B03A2D is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.156 H 29.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B03A2D
RGB	rgb(176, 58, 45)
HSL	hsl(6, 59%, 43%)
HSV	hsv(6, 74%, 69%)
CMYK	cmyk(0%, 67%, 74.4%, 31%)
CIE-LAB	lab(41.92, 47.21, 34.29)
CIE-LCH	lch(41.92, 58.35, 35.99°)
OKLab	oklab(51.74% 0.1355 0.0771)
OKLCH	oklch(51.74% 0.156 29.6)
XYZ	xyz(19.8934, 12.4486, 3.8374)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03A2D #2DA3B0

analogous

#B02D61 #B03A2D #B07B2D

triadic

#B03A2D #2DB03A #3A2DB0

tetradic

#B03A2D #61B02D #2DA3B0 #7B2DB0

square

#B03A2D #61B02D #2DA3B0 #7B2DB0

split-complementary

#B03A2D #2DB07B #2D61B0

monochromatic

#4F1A14 #7F2A21 #B03A2D #D1574A #DD847A

Accessibility & contrast

On white

6.02

#B03A2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B03A2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03A2D

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03A2D	#FFFFFF	#000000	##FFFFFF
##B03A2D	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532B

Deuteranopia (green-blind)

#796C29

Tritanopia (blue-blind)

#C21838

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b03a2d;
/* rgb */ color: rgb(176, 58, 45);
/* oklch */ color: oklch(51.7% 0.156 29.6);

Tailwind

colors: {
  custom: {
    50: '#cf7767',
    500: '#b03a2d',
    950: '#000000',
  },
}

SCSS

$custom: #b03a2d;
$custom-light: #cf7767;
$custom-dark: #000000;

JSON

{
  "hex": "#b03a2d",
  "rgb": {
    "r": 176,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 5.954,
    "s": 59.276,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51738,
    "c": 0.15591,
    "h": 29.6
  },
  "luminance": 0.12446
}

Semantic roles & 50–950 ramp

primary

#B03A2D

secondary

#73BDC5

accent

#D3E245

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03A2D

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

Preview Lab → · Contrast checker → · Palette generator →