#B43E15#B43E15

#B43E15 is a mid, vivid orange. Relative luminance 0.132; OKLCH L 52.7% C 0.161 H 37.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#B43E15
RGB	rgb(180, 62, 21)
HSL	hsl(15, 79%, 39%)
HSV	hsv(15, 88%, 71%)
CMYK	cmyk(0%, 65.6%, 88.3%, 29.4%)
CIE-LAB	lab(43.07, 46.12, 47.63)
CIE-LCH	lch(43.07, 66.30, 45.92°)
OKLab	oklab(52.67% 0.1276 0.0983)
OKLCH	oklch(52.67% 0.161 37.6)
XYZ	xyz(20.6828, 13.2058, 2.1692)
Luminance	0.1320 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E15 #158BB4

analogous

#B4153B #B43E15 #B48E15

triadic

#B43E15 #15B43E #3E15B4

tetradic

#B43E15 #3BB415 #158BB4 #8E15B4

square

#B43E15 #3BB415 #158BB4 #8E15B4

split-complementary

#B43E15 #15B48E #153BB4

monochromatic

#461808 #7D2B0F #B43E15 #E55421 #EC7E58

Accessibility & contrast

On white

5.77

#B43E15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B43E15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E15

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E15	#FFFFFF	#000000	##FFFFFF
##B43E15	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61550C

Deuteranopia (green-blind)

#7E700D

Tritanopia (blue-blind)

#C71A37

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e15;
/* rgb */ color: rgb(180, 62, 21);
/* oklch */ color: oklch(52.7% 0.161 37.6);

Tailwind

colors: {
  custom: {
    50: '#d47958',
    500: '#b43e15',
    950: '#000000',
  },
}

SCSS

$custom: #b43e15;
$custom-light: #d47958;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e15",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 21
  },
  "hsl": {
    "h": 15.472,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.52672,
    "c": 0.16102,
    "h": 37.6
  },
  "luminance": 0.13203
}

Semantic roles & 50–950 ramp

primary

#B43E15

secondary

#56B0CF

accent

#C3F632

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43E15

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

Preview Lab → · Contrast checker → · Palette generator →