#B1503C#B1503C

#B1503C is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.1% C 0.131 H 33.2°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#B1503C
RGB	rgb(177, 80, 60)
HSL	hsl(10, 49%, 46%)
HSV	hsv(10, 66%, 69%)
CMYK	cmyk(0%, 54.8%, 66.1%, 30.6%)
CIE-LAB	lab(46.20, 38.06, 30.70)
CIE-LCH	lch(46.20, 48.90, 38.89°)
OKLab	oklab(55.06% 0.1099 0.0719)
OKLCH	oklch(55.06% 0.131 33.2)
XYZ	xyz(21.8177, 15.4134, 6.1002)
Luminance	0.1541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1503C #3C9DB1

analogous

#B13C63 #B1503C #B18B3C

triadic

#B1503C #3CB150 #503CB1

tetradic

#B1503C #63B13C #3C9DB1 #8B3CB1

square

#B1503C #63B13C #3C9DB1 #8B3CB1

split-complementary

#B1503C #3CB18B #3C63B1

monochromatic

#56271D #833B2D #B1503C #C97361 #D99B8F

Accessibility & contrast

On white

5.14

#B1503C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#B1503C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1503C

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1503C	#FFFFFF	#000000	##FFFFFF
##B1503C	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#69603A

Deuteranopia (green-blind)

#81753A

Tritanopia (blue-blind)

#C23D4B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b1503c;
/* rgb */ color: rgb(177, 80, 60);
/* oklch */ color: oklch(55.1% 0.131 33.2);

Tailwind

colors: {
  custom: {
    50: '#ce8472',
    500: '#b1503c',
    950: '#000000',
  },
}

SCSS

$custom: #b1503c;
$custom-light: #ce8472;
$custom-dark: #000000;

JSON

{
  "hex": "#b1503c",
  "rgb": {
    "r": 177,
    "g": 80,
    "b": 60
  },
  "hsl": {
    "h": 10.256,
    "s": 49.367,
    "l": 46.471
  },
  "oklch": {
    "l": 0.55059,
    "c": 0.13127,
    "h": 33.2
  },
  "luminance": 0.15411
}

Semantic roles & 50–950 ramp

primary

#B1503C

secondary

#85B9C4

accent

#C1D94F

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B1503C

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

Preview Lab → · Contrast checker → · Palette generator →