#1B2017#1B2017

#1B2017 is a very dark, near-neutral yellow-green. Relative luminance 0.013; OKLCH L 23.5% C 0.018 H 131.4°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B2017
RGB	rgb(27, 32, 23)
HSL	hsl(93, 16%, 11%)
HSV	hsv(93, 28%, 13%)
CMYK	cmyk(15.6%, 0%, 28.1%, 87.5%)
CIE-LAB	lab(11.47, -4.52, 5.37)
CIE-LCH	lch(11.47, 7.02, 130.07°)
OKLab	oklab(23.52% -0.0121 0.0137)
OKLCH	oklch(23.52% 0.018 131.4)
XYZ	xyz(1.1231, 1.3279, 1.0076)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2017 #1C1720

analogous

#1F2017 #1B2017 #172017

triadic

#1B2017 #171B20 #20171B

tetradic

#1B2017 #171F20 #1C1720 #201717

square

#1B2017 #171F20 #1C1720 #201717

split-complementary

#1B2017 #171720 #20171F

monochromatic

#0F120D #0F120D #1B2017 #394431 #57674A

Accessibility & contrast

On white

16.59

#1B2017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1B2017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2017

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2017	#FFFFFF	#000000	##FFFFFF
##1B2017	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)

#211F16

Deuteranopia (green-blind)

#201E17

Tritanopia (blue-blind)

#1B1F1E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1b2017;
/* rgb */ color: rgb(27, 32, 23);
/* oklch */ color: oklch(23.5% 0.018 131.4);

Tailwind

colors: {
  custom: {
    50: '#575b53',
    500: '#1b2017',
    950: '#000000',
  },
}

SCSS

$custom: #1b2017;
$custom-light: #575b53;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2017",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 23
  },
  "hsl": {
    "h": 93.333,
    "s": 16.364,
    "l": 10.784
  },
  "oklch": {
    "l": 0.23518,
    "c": 0.01832,
    "h": 131.4
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#1B2017

secondary

#4A4152

accent

#6FB998

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#030402

muted

#787978

Preview Lab

Preview with #1B2017

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

Preview Lab → · Contrast checker → · Palette generator →