#1F2104#1F2104

#1F2104 is a very dark, muted yellow. Relative luminance 0.014; OKLCH L 23.8% C 0.047 H 113.1°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F2104
RGB	rgb(31, 33, 4)
HSL	hsl(64, 78%, 7%)
HSV	hsv(64, 88%, 13%)
CMYK	cmyk(6.1%, 0%, 87.9%, 87.1%)
CIE-LAB	lab(11.88, -6.01, 15.85)
CIE-LCH	lch(11.88, 16.96, 110.76°)
OKLab	oklab(23.83% -0.0184 0.0431)
OKLCH	oklch(23.83% 0.047 113.1)
XYZ	xyz(1.1309, 1.3878, 0.3231)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2104 #060421

analogous

#211504 #1F2104 #112104

triadic

#1F2104 #041F21 #21041F

tetradic

#1F2104 #042115 #060421 #210411

square

#1F2104 #042115 #060421 #210411

split-complementary

#1F2104 #041121 #150421

monochromatic

#1A1B03 #1A1B03 #1F2104 #52580B #868E11

Accessibility & contrast

On white

16.44

#1F2104 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1F2104 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2104

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2104	#FFFFFF	#000000	##FFFFFF
##1F2104	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#241F02

Deuteranopia (green-blind)

#242005

Tritanopia (blue-blind)

#221E1B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f2104;
/* rgb */ color: rgb(31, 33, 4);
/* oklch */ color: oklch(23.8% 0.047 113.1);

Tailwind

colors: {
  custom: {
    50: '#5b5c48',
    500: '#1f2104',
    950: '#000000',
  },
}

SCSS

$custom: #1f2104;
$custom-light: #5b5c48;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2104",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 4
  },
  "hsl": {
    "h": 64.138,
    "s": 78.378,
    "l": 7.255
  },
  "oklch": {
    "l": 0.23825,
    "c": 0.04681,
    "h": 113.1
  },
  "luminance": 0.01388
}

Semantic roles & 50–950 ramp

primary

#1F2104

secondary

#221D64

accent

#33F540

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040400

muted

#797977

Preview Lab

Preview with #1F2104

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

Preview Lab → · Contrast checker → · Palette generator →