#1F2201#1F2201

#1F2201 is a very dark, muted yellow. Relative luminance 0.014; OKLCH L 24.1% C 0.053 H 114.6°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#1F2201
RGB	rgb(31, 34, 1)
HSL	hsl(65, 94%, 7%)
HSV	hsv(65, 97%, 13%)
CMYK	cmyk(8.8%, 0%, 97.1%, 86.7%)
CIE-LAB	lab(12.21, -7.04, 17.53)
CIE-LCH	lch(12.21, 18.89, 111.88°)
OKLab	oklab(24.08% -0.0219 0.048)
OKLCH	oklch(24.08% 0.053 114.6)
XYZ	xyz(1.1426, 1.4376, 0.2460)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2201 #040122

analogous

#221501 #1F2201 #0F2201

triadic

#1F2201 #011F22 #22011F

tetradic

#1F2201 #012215 #040122 #22010F

square

#1F2201 #012215 #040122 #22010F

split-complementary

#1F2201 #010F22 #150122

monochromatic

#1B1E01 #1B1E01 #1F2201 #555D03 #8B9904

Accessibility & contrast

On white

16.31

#1F2201 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1F2201 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2201

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2201	#FFFFFF	#000000	##FFFFFF
##1F2201	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252000

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#221F1B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1f2201;
/* rgb */ color: rgb(31, 34, 1);
/* oklch */ color: oklch(24.1% 0.053 114.6);

Tailwind

colors: {
  custom: {
    50: '#5b5d47',
    500: '#1f2201',
    950: '#000000',
  },
}

SCSS

$custom: #1f2201;
$custom-light: #5b5d47;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2201",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 1
  },
  "hsl": {
    "h": 65.455,
    "s": 94.286,
    "l": 6.863
  },
  "oklch": {
    "l": 0.24075,
    "c": 0.05274,
    "h": 114.6
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#1F2201

secondary

#1D1669

accent

#29FF3C

background

#F5F5F4

surface

#E9E9E6

border

#C5C5C2

text

#040400

muted

#797977

Preview Lab

Preview with #1F2201

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

Preview Lab → · Contrast checker → · Palette generator →