#28170B#28170B

#28170B is a very dark, muted orange. Relative luminance 0.011; OKLCH L 22.4% C 0.035 H 55.2°. Best body text is #FFFFFF at 17.25:1 contrast (WCAG AA passes).

Color values

HEX	#28170B
RGB	rgb(40, 23, 11)
HSL	hsl(25, 57%, 10%)
HSV	hsv(25, 73%, 16%)
CMYK	cmyk(0%, 42.5%, 72.5%, 84.3%)
CIE-LAB	lab(9.71, 6.97, 10.14)
CIE-LCH	lch(9.71, 12.30, 55.49°)
OKLab	oklab(22.42% 0.0198 0.0285)
OKLCH	oklch(22.42% 0.035 55.2)
XYZ	xyz(1.2420, 1.0882, 0.4612)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28170B #0B1C28

analogous

#280B0D #28170B #28260B

triadic

#28170B #0B2817 #170B28

tetradic

#28170B #0D280B #0B1C28 #260B28

square

#28170B #0D280B #0B1C28 #260B28

split-complementary

#28170B #0B2826 #0B0D28

monochromatic

#180E07 #180E07 #28170B #583318 #884E25

Accessibility & contrast

On white

17.25

#28170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#28170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28170B

17.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28170B	#FFFFFF	#000000	##FFFFFF
##28170B	1.00	17.25	1.22	17.25
#FFFFFF	17.25	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190A

Deuteranopia (green-blind)

#201C0B

Tritanopia (blue-blind)

#2C1414

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #28170b;
/* rgb */ color: rgb(40, 23, 11);
/* oklch */ color: oklch(22.4% 0.035 55.2);

Tailwind

colors: {
  custom: {
    50: '#63544b',
    500: '#28170b',
    950: '#000000',
  },
}

SCSS

$custom: #28170b;
$custom-light: #63544b;
$custom-dark: #000000;

JSON

{
  "hex": "#28170b",
  "rgb": {
    "r": 40,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 24.828,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.22419,
    "c": 0.03471,
    "h": 55.2
  },
  "luminance": 0.01088
}

Semantic roles & 50–950 ramp

primary

#28170B

secondary

#2B4C64

accent

#A1E048

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050201

muted

#7A7877

Preview Lab

Preview with #28170B

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

Preview Lab → · Contrast checker → · Palette generator →