#231C05#231C05

#231C05 is a very dark, muted yellow. Relative luminance 0.012; OKLCH L 22.9% C 0.039 H 92.6°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#231C05
RGB	rgb(35, 28, 5)
HSL	hsl(46, 75%, 8%)
HSV	hsv(46, 86%, 14%)
CMYK	cmyk(0%, 20%, 85.7%, 86.3%)
CIE-LAB	lab(10.55, -0.12, 13.68)
CIE-LCH	lch(10.55, 13.68, 90.52°)
OKLab	oklab(22.89% -0.0018 0.0389)
OKLCH	oklch(22.89% 0.039 92.6)
XYZ	xyz(1.1358, 1.1989, 0.3151)
Luminance	0.0120 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C05 #050C23

analogous

#230D05 #231C05 #1B2305

triadic

#231C05 #05231C #1C0523

tetradic

#231C05 #05230D #050C23 #23051B

square

#231C05 #05230D #050C23 #23051B

split-complementary

#231C05 #051B23 #0D0523

monochromatic

#1B1504 #1B1504 #231C05 #59470D #8E7214

Accessibility & contrast

On white

16.94

#231C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#231C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C05

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C05	#FFFFFF	#000000	##FFFFFF
##231C05	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B03

Deuteranopia (green-blind)

#221D06

Tritanopia (blue-blind)

#271917

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #231c05;
/* rgb */ color: rgb(35, 28, 5);
/* oklch */ color: oklch(22.9% 0.039 92.6);

Tailwind

colors: {
  custom: {
    50: '#5e5749',
    500: '#231c05',
    950: '#000000',
  },
}

SCSS

$custom: #231c05;
$custom-light: #5e5749;
$custom-dark: #000000;

JSON

{
  "hex": "#231c05",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 5
  },
  "hsl": {
    "h": 46,
    "s": 75,
    "l": 7.843
  },
  "oklch": {
    "l": 0.22885,
    "c": 0.03896,
    "h": 92.6
  },
  "luminance": 0.01199
}

Semantic roles & 50–950 ramp

primary

#231C05

secondary

#1F2F64

accent

#62F236

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040300

muted

#797877

Preview Lab

Preview with #231C05

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

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