#231B05#231B05

#231B05 is a very dark, muted orange. Relative luminance 0.012; OKLCH L 22.6% C 0.038 H 89.6°. Best body text is #FFFFFF at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#231B05
RGB	rgb(35, 27, 5)
HSL	hsl(44, 75%, 8%)
HSV	hsv(44, 86%, 14%)
CMYK	cmyk(0%, 22.9%, 85.7%, 86.3%)
CIE-LAB	lab(10.20, 0.59, 13.19)
CIE-LCH	lch(10.20, 13.20, 87.42°)
OKLab	oklab(22.61% 0.0003 0.0381)
OKLCH	oklch(22.61% 0.038 89.6)
XYZ	xyz(1.1125, 1.1522, 0.3074)
Luminance	0.0115 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231B05 #050D23

analogous

#230C05 #231B05 #1C2305

triadic

#231B05 #05231B #1B0523

tetradic

#231B05 #05230C #050D23 #23051C

square

#231B05 #05230C #050D23 #23051C

split-complementary

#231B05 #051C23 #0C0523

monochromatic

#1B1504 #1B1504 #231B05 #59440D #8E6E14

Accessibility & contrast

On white

17.07

#231B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#231B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231B05

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231B05	#FFFFFF	#000000	##FFFFFF
##231B05	1.00	17.07	1.23	17.07
#FFFFFF	17.07	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B03

Deuteranopia (green-blind)

#211D06

Tritanopia (blue-blind)

#271816

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #231b05;
/* rgb */ color: rgb(35, 27, 5);
/* oklch */ color: oklch(22.6% 0.038 89.6);

Tailwind

colors: {
  custom: {
    50: '#5e5749',
    500: '#231b05',
    950: '#000000',
  },
}

SCSS

$custom: #231b05;
$custom-light: #5e5749;
$custom-dark: #000000;

JSON

{
  "hex": "#231b05",
  "rgb": {
    "r": 35,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 44,
    "s": 75,
    "l": 7.843
  },
  "oklch": {
    "l": 0.2261,
    "c": 0.03814,
    "h": 89.6
  },
  "luminance": 0.01152
}

Semantic roles & 50–950 ramp

primary

#231B05

secondary

#1F3264

accent

#68F236

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040300

muted

#797877

Preview Lab

Preview with #231B05

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

Preview Lab → · Contrast checker → · Palette generator →