#B4611B#B4611B

#B4611B is a mid, vivid orange. Relative luminance 0.183; OKLCH L 57.9% C 0.132 H 54.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#B4611B
RGB	rgb(180, 97, 27)
HSL	hsl(27, 74%, 41%)
HSV	hsv(27, 85%, 71%)
CMYK	cmyk(0%, 46.1%, 85%, 29.4%)
CIE-LAB	lab(49.90, 28.86, 50.96)
CIE-LCH	lch(49.90, 58.56, 60.47°)
OKLab	oklab(57.88% 0.0762 0.108)
OKLCH	oklch(57.88% 0.132 54.8)
XYZ	xyz(23.2971, 18.3345, 3.3488)
Luminance	0.1833 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4611B #1B6EB4

analogous

#B41B21 #B4611B #B4AD1B

triadic

#B4611B #1BB461 #611BB4

tetradic

#B4611B #21B41B #1B6EB4 #AD1BB4

square

#B4611B #21B41B #1B6EB4 #AD1BB4

split-complementary

#B4611B #1BB4AD #1B21B4

monochromatic

#4A280B #7F4413 #B4611B #DF7F2D #E79F62

Accessibility & contrast

On white

4.50

#B4611B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#B4611B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #B4611B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4611B	#FFFFFF	#000000	##000000
##B4611B	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A6B0D

Deuteranopia (green-blind)

#8D7E1A

Tritanopia (blue-blind)

#C64E54

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #b4611b;
/* rgb */ color: rgb(180, 97, 27);
/* oklch */ color: oklch(57.9% 0.132 54.8);

Tailwind

colors: {
  custom: {
    50: '#d18f5f',
    500: '#b4611b',
    950: '#000000',
  },
}

SCSS

$custom: #b4611b;
$custom-light: #d18f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4611b",
  "rgb": {
    "r": 180,
    "g": 97,
    "b": 27
  },
  "hsl": {
    "h": 27.451,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.57879,
    "c": 0.13221,
    "h": 54.8
  },
  "luminance": 0.18332
}

Semantic roles & 50–950 ramp

primary

#B4611B

secondary

#5F9ACC

accent

#9CF137

background

#FDF8F5

surface

#FBF0E9

border

#D4CBC5

text

#150C05

muted

#837D79

Preview Lab

Preview with #B4611B

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

Preview Lab → · Contrast checker → · Palette generator →