#1F2004#1F2004

#1F2004 is a very dark, muted yellow. Relative luminance 0.013; OKLCH L 23.5% C 0.045 H 111.3°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F2004
RGB	rgb(31, 32, 4)
HSL	hsl(62, 78%, 7%)
HSV	hsv(62, 88%, 13%)
CMYK	cmyk(3.1%, 0%, 87.5%, 87.5%)
CIE-LAB	lab(11.51, -5.34, 15.35)
CIE-LCH	lch(11.51, 16.25, 109.18°)
OKLab	oklab(23.53% -0.0165 0.0423)
OKLCH	oklch(23.53% 0.045 111.3)
XYZ	xyz(1.1035, 1.3331, 0.3140)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2004 #050420

analogous

#201304 #1F2004 #112004

triadic

#1F2004 #041F20 #20041F

tetradic

#1F2004 #042013 #050420 #200411

square

#1F2004 #042013 #050420 #200411

split-complementary

#1F2004 #041120 #130420

monochromatic

#1A1B03 #1A1B03 #1F2004 #54560B #888D12

Accessibility & contrast

On white

16.58

#1F2004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1F2004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2004

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2004	#FFFFFF	#000000	##FFFFFF
##1F2004	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231E02

Deuteranopia (green-blind)

#231F05

Tritanopia (blue-blind)

#221D1A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1f2004;
/* rgb */ color: rgb(31, 32, 4);
/* oklch */ color: oklch(23.5% 0.045 111.3);

Tailwind

colors: {
  custom: {
    50: '#5a5b48',
    500: '#1f2004',
    950: '#000000',
  },
}

SCSS

$custom: #1f2004;
$custom-light: #5a5b48;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2004",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 4
  },
  "hsl": {
    "h": 62.143,
    "s": 77.778,
    "l": 7.059
  },
  "oklch": {
    "l": 0.23528,
    "c": 0.04539,
    "h": 111.3
  },
  "luminance": 0.01333
}

Semantic roles & 50–950 ramp

primary

#1F2004

secondary

#201D63

accent

#34F43A

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040400

muted

#797977

Preview Lab

Preview with #1F2004

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

Preview Lab → · Contrast checker → · Palette generator →