#B45B31#B45B31

#B45B31 is a mid, vivid orange. Relative luminance 0.174; OKLCH L 57.1% C 0.128 H 44.3°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#B45B31
RGB	rgb(180, 91, 49)
HSL	hsl(19, 57%, 45%)
HSV	hsv(19, 73%, 71%)
CMYK	cmyk(0%, 49.4%, 72.8%, 29.4%)
CIE-LAB	lab(48.77, 32.93, 39.83)
CIE-LCH	lch(48.77, 51.68, 50.42°)
OKLab	oklab(57.07% 0.0918 0.0897)
OKLCH	oklch(57.07% 0.128 44.3)
XYZ	xyz(23.1200, 17.4100, 5.0481)
Luminance	0.1741 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45B31 #318AB4

analogous

#B43148 #B45B31 #B49D31

triadic

#B45B31 #31B45B #5B31B4

tetradic

#B45B31 #48B431 #318AB4 #9D31B4

square

#B45B31 #48B431 #318AB4 #9D31B4

split-complementary

#B45B31 #31B49D #3148B4

monochromatic

#542A17 #844324 #B45B31 #D07B52 #DD9F82

Accessibility & contrast

On white

4.69

#B45B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#B45B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45B31

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45B31	#FFFFFF	#000000	##FFFFFF
##B45B31	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74682C

Deuteranopia (green-blind)

#897B2F

Tritanopia (blue-blind)

#C54952

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #b45b31;
/* rgb */ color: rgb(180, 91, 49);
/* oklch */ color: oklch(57.1% 0.128 44.3);

Tailwind

colors: {
  custom: {
    50: '#d18b6b',
    500: '#b45b31',
    950: '#000000',
  },
}

SCSS

$custom: #b45b31;
$custom-light: #d18b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b45b31",
  "rgb": {
    "r": 180,
    "g": 91,
    "b": 49
  },
  "hsl": {
    "h": 19.237,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57071,
    "c": 0.12832,
    "h": 44.3
  },
  "luminance": 0.17407
}

Semantic roles & 50–950 ramp

primary

#B45B31

secondary

#7BAEC6

accent

#AFE047

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B45B31

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

Preview Lab → · Contrast checker → · Palette generator →