#231C03#231C03

#231C03 is a very dark, muted yellow. Relative luminance 0.012; OKLCH L 22.8% C 0.042 H 94.1°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#231C03
RGB	rgb(35, 28, 3)
HSL	hsl(47, 84%, 7%)
HSV	hsv(47, 91%, 14%)
CMYK	cmyk(0%, 20%, 91.4%, 86.3%)
CIE-LAB	lab(10.52, -0.35, 14.45)
CIE-LCH	lch(10.52, 14.45, 91.39°)
OKLab	oklab(22.85% -0.003 0.0419)
OKLCH	oklch(22.85% 0.042 94.1)
XYZ	xyz(1.1249, 1.1945, 0.2574)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231C03 #030A23

analogous

#230C03 #231C03 #1A2303

triadic

#231C03 #03231C #1C0323

tetradic

#231C03 #03230C #030A23 #23031A

square

#231C03 #03230C #030A23 #23031A

split-complementary

#231C03 #031A23 #0C0323

monochromatic

#1C1702 #1C1702 #231C03 #5B4908 #94760D

Accessibility & contrast

On white

16.95

#231C03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#231C03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231C03

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231C03	#FFFFFF	#000000	##FFFFFF
##231C03	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B01

Deuteranopia (green-blind)

#221D04

Tritanopia (blue-blind)

#271917

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #231c03;
/* rgb */ color: rgb(35, 28, 3);
/* oklch */ color: oklch(22.8% 0.042 94.1);

Tailwind

colors: {
  custom: {
    50: '#5e5748',
    500: '#231c03',
    950: '#000000',
  },
}

SCSS

$custom: #231c03;
$custom-light: #5e5748;
$custom-dark: #000000;

JSON

{
  "hex": "#231c03",
  "rgb": {
    "r": 35,
    "g": 28,
    "b": 3
  },
  "hsl": {
    "h": 46.875,
    "s": 84.211,
    "l": 7.451
  },
  "oklch": {
    "l": 0.22849,
    "c": 0.04199,
    "h": 94.1
  },
  "luminance": 0.01194
}

Semantic roles & 50–950 ramp

primary

#231C03

secondary

#1B2B67

accent

#5AFA2D

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040300

muted

#797877

Preview Lab

Preview with #231C03

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

Preview Lab → · Contrast checker → · Palette generator →