#B1572F#B1572F

#B1572F is a mid, vivid orange. Relative luminance 0.164; OKLCH L 56.0% C 0.129 H 43.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B1572F
RGB	rgb(177, 87, 47)
HSL	hsl(18, 58%, 44%)
HSV	hsv(18, 73%, 69%)
CMYK	cmyk(0%, 50.8%, 73.4%, 30.6%)
CIE-LAB	lab(47.46, 33.72, 39.32)
CIE-LCH	lch(47.46, 51.80, 49.38°)
OKLab	oklab(55.97% 0.0941 0.0883)
OKLCH	oklch(55.97% 0.129 43.2)
XYZ	xyz(22.0548, 16.3714, 4.6874)
Luminance	0.1637 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1572F #2F89B1

analogous

#B12F48 #B1572F #B1982F

triadic

#B1572F #2FB157 #572FB1

tetradic

#B1572F #48B12F #2F89B1 #982FB1

square

#B1572F #48B12F #2F89B1 #982FB1

split-complementary

#B1572F #2FB198 #2F48B1

monochromatic

#502715 #813F22 #B1572F #D0764D #DD9B7E

Accessibility & contrast

On white

4.91

#B1572F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#B1572F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1572F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1572F	#FFFFFF	#000000	##FFFFFF
##B1572F	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70642A

Deuteranopia (green-blind)

#86782D

Tritanopia (blue-blind)

#C2444E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b1572f;
/* rgb */ color: rgb(177, 87, 47);
/* oklch */ color: oklch(56.0% 0.129 43.2);

Tailwind

colors: {
  custom: {
    50: '#cf8869',
    500: '#b1572f',
    950: '#000000',
  },
}

SCSS

$custom: #b1572f;
$custom-light: #cf8869;
$custom-dark: #000000;

JSON

{
  "hex": "#b1572f",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 47
  },
  "hsl": {
    "h": 18.462,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55969,
    "c": 0.12908,
    "h": 43.2
  },
  "luminance": 0.16369
}

Semantic roles & 50–950 ramp

primary

#B1572F

secondary

#76ADC5

accent

#B2E147

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B1572F

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

Preview Lab → · Contrast checker → · Palette generator →