#B03F2F#B03F2F

#B03F2F is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.151 H 30.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#B03F2F
RGB	rgb(176, 63, 47)
HSL	hsl(7, 58%, 44%)
HSV	hsv(7, 73%, 69%)
CMYK	cmyk(0%, 64.2%, 73.3%, 31%)
CIE-LAB	lab(42.75, 45.12, 34.08)
CIE-LCH	lch(42.75, 56.55, 37.06°)
OKLab	oklab(52.37% 0.1294 0.0771)
OKLCH	oklch(52.37% 0.151 30.8)
XYZ	xyz(20.1972, 12.9932, 4.1332)
Luminance	0.1299 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03F2F #2FA0B0

analogous

#B02F5F #B03F2F #B07F2F

triadic

#B03F2F #2FB03F #3F2FB0

tetradic

#B03F2F #5FB02F #2FA0B0 #7F2FB0

square

#B03F2F #5FB02F #2FA0B0 #7F2FB0

split-complementary

#B03F2F #2FB07F #2F5FB0

monochromatic

#4F1C15 #802E22 #B03F2F #CF5D4D #DC897D

Accessibility & contrast

On white

5.84

#B03F2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B03F2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03F2F

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03F2F	#FFFFFF	#000000	##FFFFFF
##B03F2F	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7A6E2B

Tritanopia (blue-blind)

#C1233C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b03f2f;
/* rgb */ color: rgb(176, 63, 47);
/* oklch */ color: oklch(52.4% 0.151 30.8);

Tailwind

colors: {
  custom: {
    50: '#cf7968',
    500: '#b03f2f',
    950: '#000000',
  },
}

SCSS

$custom: #b03f2f;
$custom-light: #cf7968;
$custom-dark: #000000;

JSON

{
  "hex": "#b03f2f",
  "rgb": {
    "r": 176,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 7.442,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52371,
    "c": 0.15062,
    "h": 30.8
  },
  "luminance": 0.1299
}

Semantic roles & 50–950 ramp

primary

#B03F2F

secondary

#76BBC5

accent

#CEE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B03F2F

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

Preview Lab → · Contrast checker → · Palette generator →