#231D01#231D01

#231D01 is a very dark, muted yellow. Relative luminance 0.012; OKLCH L 23.1% C 0.046 H 97.8°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#231D01
RGB	rgb(35, 29, 1)
HSL	hsl(49, 94%, 7%)
HSV	hsv(49, 97%, 14%)
CMYK	cmyk(0%, 17.1%, 97.1%, 86.3%)
CIE-LAB	lab(10.84, -1.29, 15.71)
CIE-LCH	lch(10.84, 15.77, 94.70°)
OKLab	oklab(23.09% -0.0062 0.0456)
OKLCH	oklch(23.09% 0.046 97.8)
XYZ	xyz(1.1380, 1.2383, 0.2078)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231D01 #010723

analogous

#230C01 #231D01 #182301

triadic

#231D01 #01231D #1D0123

tetradic

#231D01 #01230C #010723 #230118

square

#231D01 #01230C #010723 #230118

split-complementary

#231D01 #011823 #0C0123

monochromatic

#1E1901 #1E1901 #231D01 #5F4E03 #9A8004

Accessibility & contrast

On white

16.83

#231D01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#231D01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231D01

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231D01	#FFFFFF	#000000	##FFFFFF
##231D01	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C00

Deuteranopia (green-blind)

#231E02

Tritanopia (blue-blind)

#271A17

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #231d01;
/* rgb */ color: rgb(35, 29, 1);
/* oklch */ color: oklch(23.1% 0.046 97.8);

Tailwind

colors: {
  custom: {
    50: '#5e5847',
    500: '#231d01',
    950: '#000000',
  },
}

SCSS

$custom: #231d01;
$custom-light: #5e5847;
$custom-dark: #000000;

JSON

{
  "hex": "#231d01",
  "rgb": {
    "r": 35,
    "g": 29,
    "b": 1
  },
  "hsl": {
    "h": 49.412,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.23093,
    "c": 0.04606,
    "h": 97.8
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#231D01

secondary

#16256A

accent

#4FFF29

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#040300

muted

#797877

Preview Lab

Preview with #231D01

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

Preview Lab → · Contrast checker → · Palette generator →