#B3512F#B3512F

#B3512F is a mid, vivid orange. Relative luminance 0.157; OKLCH L 55.3% C 0.137 H 39.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#B3512F
RGB	rgb(179, 81, 47)
HSL	hsl(15, 58%, 44%)
HSV	hsv(15, 74%, 70%)
CMYK	cmyk(0%, 54.7%, 73.7%, 29.8%)
CIE-LAB	lab(46.55, 37.62, 38.42)
CIE-LCH	lch(46.55, 53.77, 45.60°)
OKLab	oklab(55.34% 0.1059 0.0863)
OKLCH	oklch(55.34% 0.137 39.2)
XYZ	xyz(22.0481, 15.6766, 4.5536)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3512F #2F91B3

analogous

#B32F4F #B3512F #B3932F

triadic

#B3512F #2FB351 #512FB3

tetradic

#B3512F #4FB32F #2F91B3 #932FB3

square

#B3512F #4FB32F #2F91B3 #932FB3

split-complementary

#B3512F #2FB393 #2F4FB3

monochromatic

#522516 #833B22 #B3512F #D1704F #DD977F

Accessibility & contrast

On white

5.08

#B3512F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#B3512F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3512F

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3512F	#FFFFFF	#000000	##FFFFFF
##B3512F	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C612B

Deuteranopia (green-blind)

#84772D

Tritanopia (blue-blind)

#C43C4A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #b3512f;
/* rgb */ color: rgb(179, 81, 47);
/* oklch */ color: oklch(55.3% 0.137 39.2);

Tailwind

colors: {
  custom: {
    50: '#d08469',
    500: '#b3512f',
    950: '#000000',
  },
}

SCSS

$custom: #b3512f;
$custom-light: #d08469;
$custom-dark: #000000;

JSON

{
  "hex": "#b3512f",
  "rgb": {
    "r": 179,
    "g": 81,
    "b": 47
  },
  "hsl": {
    "h": 15.455,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55337,
    "c": 0.13656,
    "h": 39.2
  },
  "luminance": 0.15674
}

Semantic roles & 50–950 ramp

primary

#B3512F

secondary

#78B2C6

accent

#BAE246

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B3512F

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

Preview Lab → · Contrast checker → · Palette generator →