#231E01#231E01

#231E01 is a very dark, muted yellow. Relative luminance 0.013; OKLCH L 23.4% C 0.047 H 100.0°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#231E01
RGB	rgb(35, 30, 1)
HSL	hsl(51, 94%, 7%)
HSV	hsv(51, 97%, 14%)
CMYK	cmyk(0%, 14.3%, 97.1%, 86.3%)
CIE-LAB	lab(11.19, -1.99, 16.21)
CIE-LCH	lch(11.19, 16.33, 97.01°)
OKLab	oklab(23.37% -0.0082 0.0463)
OKLCH	oklch(23.37% 0.047 100)
XYZ	xyz(1.1629, 1.2881, 0.2161)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231E01 #010623

analogous

#230D01 #231E01 #172301

triadic

#231E01 #01231E #1E0123

tetradic

#231E01 #01230D #010623 #230117

square

#231E01 #01230D #010623 #230117

split-complementary

#231E01 #011723 #0D0123

monochromatic

#1E1901 #1E1901 #231E01 #5F5103 #9A8404

Accessibility & contrast

On white

16.70

#231E01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#231E01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231E01

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231E01	#FFFFFF	#000000	##FFFFFF
##231E01	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D00

Deuteranopia (green-blind)

#241F02

Tritanopia (blue-blind)

#271B18

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #231e01;
/* rgb */ color: rgb(35, 30, 1);
/* oklch */ color: oklch(23.4% 0.047 100.0);

Tailwind

colors: {
  custom: {
    50: '#5e5947',
    500: '#231e01',
    950: '#000000',
  },
}

SCSS

$custom: #231e01;
$custom-light: #5e5947;
$custom-dark: #000000;

JSON

{
  "hex": "#231e01",
  "rgb": {
    "r": 35,
    "g": 30,
    "b": 1
  },
  "hsl": {
    "h": 51.176,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.23374,
    "c": 0.047,
    "h": 100
  },
  "luminance": 0.01288
}

Semantic roles & 50–950 ramp

primary

#231E01

secondary

#16226A

accent

#48FF29

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#040300

muted

#797877

Preview Lab

Preview with #231E01

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

Preview Lab → · Contrast checker → · Palette generator →