#421B0B#421B0B

#421B0B is a dark, moderate orange. Relative luminance 0.020; OKLCH L 27.7% C 0.066 H 41.7°. Best body text is #FFFFFF at 15.07:1 contrast (WCAG AA passes).

Color values

HEX	#421B0B
RGB	rgb(66, 27, 11)
HSL	hsl(17, 71%, 15%)
HSV	hsv(17, 83%, 26%)
CMYK	cmyk(0%, 59.1%, 83.3%, 74.1%)
CIE-LAB	lab(15.31, 17.59, 18.47)
CIE-LCH	lch(15.31, 25.51, 46.41°)
OKLab	oklab(27.65% 0.0492 0.0439)
OKLCH	oklch(27.65% 0.066 41.7)
XYZ	xyz(2.6994, 1.9666, 0.5540)
Luminance	0.0197 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B0B #0B3242

analogous

#420B16 #421B0B #42370B

triadic

#421B0B #0B421B #1B0B42

tetradic

#421B0B #16420B #0B3242 #370B42

square

#421B0B #16420B #0B3242 #370B42

split-complementary

#421B0B #0B4237 #0B1642

monochromatic

#1A0B04 #1A0B04 #421B0B #763014 #AB461C

Accessibility & contrast

On white

15.07

#421B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#421B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B0B

15.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B0B	#FFFFFF	#000000	##FFFFFF
##421B0B	1.00	15.07	1.39	15.07
#FFFFFF	15.07	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262109

Deuteranopia (green-blind)

#2F2A0A

Tritanopia (blue-blind)

#491318

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #421b0b;
/* rgb */ color: rgb(66, 27, 11);
/* oklch */ color: oklch(27.7% 0.066 41.7);

Tailwind

colors: {
  custom: {
    50: '#7a584b',
    500: '#421b0b',
    950: '#000000',
  },
}

SCSS

$custom: #421b0b;
$custom-light: #7a584b;
$custom-dark: #000000;

JSON

{
  "hex": "#421b0b",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 11
  },
  "hsl": {
    "h": 17.455,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.27653,
    "c": 0.0659,
    "h": 41.7
  },
  "luminance": 0.01966
}

Semantic roles & 50–950 ramp

primary

#421B0B

secondary

#2A667F

accent

#BAEE3A

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #421B0B

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

Preview Lab → · Contrast checker → · Palette generator →