#1F2017#1F2017

#1F2017 is a very dark, near-neutral yellow. Relative luminance 0.014; OKLCH L 23.9% C 0.017 H 112.8°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#1F2017
RGB	rgb(31, 32, 23)
HSL	hsl(67, 16%, 11%)
HSV	hsv(67, 28%, 13%)
CMYK	cmyk(3.1%, 0%, 28.1%, 87.5%)
CIE-LAB	lab(11.87, -2.52, 5.98)
CIE-LCH	lch(11.87, 6.49, 112.88°)
OKLab	oklab(23.93% -0.0064 0.0153)
OKLCH	oklch(23.93% 0.017 112.8)
XYZ	xyz(1.2362, 1.3862, 1.0129)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2017 #181720

analogous

#201C17 #1F2017 #1A2017

triadic

#1F2017 #171F20 #20171F

tetradic

#1F2017 #17201C #181720 #20171A

square

#1F2017 #17201C #181720 #20171A

split-complementary

#1F2017 #171A20 #1C1720

monochromatic

#11120D #11120D #1F2017 #414431 #64674A

Accessibility & contrast

On white

16.44

#1F2017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1F2017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2017

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2017	#FFFFFF	#000000	##FFFFFF
##1F2017	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)

#211F16

Deuteranopia (green-blind)

#211F17

Tritanopia (blue-blind)

#201F1E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1f2017;
/* rgb */ color: rgb(31, 32, 23);
/* oklch */ color: oklch(23.9% 0.017 112.8);

Tailwind

colors: {
  custom: {
    50: '#5a5b53',
    500: '#1f2017',
    950: '#000000',
  },
}

SCSS

$custom: #1f2017;
$custom-light: #5a5b53;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2017",
  "rgb": {
    "r": 31,
    "g": 32,
    "b": 23
  },
  "hsl": {
    "h": 66.667,
    "s": 16.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.23932,
    "c": 0.01654,
    "h": 112.8
  },
  "luminance": 0.01386
}

Semantic roles & 50–950 ramp

primary

#1F2017

secondary

#434152

accent

#6FB977

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#030402

muted

#787978

Preview Lab

Preview with #1F2017

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

Preview Lab → · Contrast checker → · Palette generator →