#171925#171925

#171925 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.7% C 0.024 H 276.9°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#171925
RGB	rgb(23, 25, 37)
HSL	hsl(231, 23%, 12%)
HSV	hsv(231, 38%, 15%)
CMYK	cmyk(37.8%, 32.4%, 0%, 85.5%)
CIE-LAB	lab(9.08, 2.70, -8.54)
CIE-LCH	lch(9.08, 8.96, 287.55°)
OKLab	oklab(21.72% 0.0029 -0.0236)
OKLCH	oklch(21.72% 0.024 276.9)
XYZ	xyz(1.0348, 1.0110, 1.8905)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171925 #252317

analogous

#172025 #171925 #1C1725

triadic

#171925 #251719 #192517

tetradic

#171925 #251720 #252317 #17251C

square

#171925 #251720 #252317 #17251C

split-complementary

#171925 #251C17 #202517

monochromatic

#0C0D13 #0C0D13 #171925 #2E334B #464C70

Accessibility & contrast

On white

17.47

#171925 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#171925 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171925

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171925	#FFFFFF	#000000	##FFFFFF
##171925	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151A26

Deuteranopia (green-blind)

#151925

Tritanopia (blue-blind)

#131B1D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #171925;
/* rgb */ color: rgb(23, 25, 37);
/* oklch */ color: oklch(21.7% 0.024 276.9);

Tailwind

colors: {
  custom: {
    50: '#54555f',
    500: '#171925',
    950: '#000000',
  },
}

SCSS

$custom: #171925;
$custom-light: #54555f;
$custom-dark: #000000;

JSON

{
  "hex": "#171925",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 37
  },
  "hsl": {
    "h": 231.429,
    "s": 23.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.21721,
    "c": 0.02377,
    "h": 276.9
  },
  "luminance": 0.01011
}

Semantic roles & 50–950 ramp

primary

#171925

secondary

#585540

accent

#B368C0

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020304

muted

#787879

Preview Lab

Preview with #171925

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

Preview Lab → · Contrast checker → · Palette generator →