#B45B1F#B45B1F

#B45B1F is a mid, vivid orange. Relative luminance 0.173; OKLCH L 56.9% C 0.135 H 50.0°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#B45B1F
RGB	rgb(180, 91, 31)
HSL	hsl(24, 71%, 41%)
HSV	hsv(24, 83%, 71%)
CMYK	cmyk(0%, 49.4%, 82.8%, 29.4%)
CIE-LAB	lab(48.62, 32.20, 48.24)
CIE-LCH	lch(48.62, 58.00, 56.28°)
OKLab	oklab(56.91% 0.0867 0.1032)
OKLCH	oklch(56.91% 0.135 50)
XYZ	xyz(22.8130, 17.2872, 3.4315)
Luminance	0.1728 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45B1F #1F78B4

analogous

#B41F2E #B45B1F #B4A61F

triadic

#B45B1F #1FB45B #5B1FB4

tetradic

#B45B1F #2EB41F #1F78B4 #A61FB4

square

#B45B1F #2EB41F #1F78B4 #A61FB4

split-complementary

#B45B1F #1FB4A6 #1F2EB4

monochromatic

#4C260D #804116 #B45B1F #DC7834 #E59B68

Accessibility & contrast

On white

4.71

#B45B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#B45B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45B1F

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45B1F	#FFFFFF	#000000	##FFFFFF
##B45B1F	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756715

Deuteranopia (green-blind)

#8A7B1D

Tritanopia (blue-blind)

#C6474F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b45b1f;
/* rgb */ color: rgb(180, 91, 31);
/* oklch */ color: oklch(56.9% 0.135 50.0);

Tailwind

colors: {
  custom: {
    50: '#d28b60',
    500: '#b45b1f',
    950: '#000000',
  },
}

SCSS

$custom: #b45b1f;
$custom-light: #d28b60;
$custom-dark: #000000;

JSON

{
  "hex": "#b45b1f",
  "rgb": {
    "r": 180,
    "g": 91,
    "b": 31
  },
  "hsl": {
    "h": 24.161,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56906,
    "c": 0.1348,
    "h": 50
  },
  "luminance": 0.17284
}

Semantic roles & 50–950 ramp

primary

#B45B1F

secondary

#64A1CB

accent

#A5ED3A

background

#FDF8F5

surface

#FBF0EA

border

#D4CBC6

text

#150C05

muted

#837D79

Preview Lab

Preview with #B45B1F

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

Preview Lab → · Contrast checker → · Palette generator →