#1F2003#1F2003

#1F2003 is a very dark, muted yellow. Relative luminance 0.013; OKLCH L 23.5% C 0.047 H 111.4°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F2003
RGB	rgb(31, 32, 3)
HSL	hsl(62, 83%, 7%)
HSV	hsv(62, 91%, 13%)
CMYK	cmyk(3.1%, 0%, 90.6%, 87.5%)
CIE-LAB	lab(11.49, -5.46, 15.73)
CIE-LCH	lch(11.49, 16.65, 109.14°)
OKLab	oklab(23.51% -0.0171 0.0437)
OKLCH	oklch(23.51% 0.047 111.4)
XYZ	xyz(1.0981, 1.3309, 0.2852)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2003 #040320

analogous

#201303 #1F2003 #112003

triadic

#1F2003 #031F20 #20031F

tetradic

#1F2003 #032013 #040320 #200311

square

#1F2003 #032013 #040320 #200311

split-complementary

#1F2003 #031120 #130320

monochromatic

#1B1C03 #1B1C03 #1F2003 #555808 #8B900D

Accessibility & contrast

On white

16.59

#1F2003 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1F2003 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2003

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2003	#FFFFFF	#000000	##FFFFFF
##1F2003	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231E01

Deuteranopia (green-blind)

#241F04

Tritanopia (blue-blind)

#221D1A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1f2003;
/* rgb */ color: rgb(31, 32, 3);
/* oklch */ color: oklch(23.5% 0.047 111.4);

Tailwind

colors: {
  custom: {
    50: '#5a5b48',
    500: '#1f2003',
    950: '#000000',
  },
}

SCSS

$custom: #1f2003;
$custom-light: #5a5b48;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2003",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 3
  },
  "hsl": {
    "h": 62.069,
    "s": 82.857,
    "l": 6.863
  },
  "oklch": {
    "l": 0.23511,
    "c": 0.04691,
    "h": 111.4
  },
  "luminance": 0.01331
}

Semantic roles & 50–950 ramp

primary

#1F2003

secondary

#1D1B64

accent

#2FF936

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040400

muted

#797977

Preview Lab

Preview with #1F2003

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

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