#17253A#17253A

#17253A is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.3% C 0.044 H 258.3°. Best body text is #FFFFFF at 15.42:1 contrast (WCAG AA passes).

Color values

HEX	#17253A
RGB	rgb(23, 37, 58)
HSL	hsl(216, 43%, 16%)
HSV	hsv(216, 60%, 23%)
CMYK	cmyk(60.3%, 36.2%, 0%, 77.3%)
CIE-LAB	lab(14.46, 1.44, -15.37)
CIE-LCH	lch(14.46, 15.43, 275.37°)
OKLab	oklab(26.29% -0.009 -0.0432)
OKLCH	oklch(26.29% 0.044 258.3)
XYZ	xyz(1.7784, 1.8107, 4.2579)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17253A #3A2C17

analogous

#17363A #17253A #1A173A

triadic

#17253A #3A1725 #253A17

tetradic

#17253A #3A1736 #3A2C17 #173A1A

square

#17253A #3A1736 #3A2C17 #173A1A

split-complementary

#17253A #3A1A17 #363A17

monochromatic

#090E16 #090E16 #17253A #284166 #3A5D92

Accessibility & contrast

On white

15.42

#17253A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#17253A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17253A

15.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17253A	#FFFFFF	#000000	##FFFFFF
##17253A	1.00	15.42	1.36	15.42
#FFFFFF	15.42	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D263B

Deuteranopia (green-blind)

#18233A

Tritanopia (blue-blind)

#062A2C

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17253a;
/* rgb */ color: rgb(23, 37, 58);
/* oklch */ color: oklch(26.3% 0.044 258.3);

Tailwind

colors: {
  custom: {
    50: '#575f70',
    500: '#17253a',
    950: '#000000',
  },
}

SCSS

$custom: #17253a;
$custom-light: #575f70;
$custom-dark: #000000;

JSON

{
  "hex": "#17253a",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 58
  },
  "hsl": {
    "h": 216,
    "s": 43.21,
    "l": 15.882
  },
  "oklch": {
    "l": 0.26291,
    "c": 0.04414,
    "h": 258.3
  },
  "luminance": 0.01811
}

Semantic roles & 50–950 ramp

primary

#17253A

secondary

#715C3C

accent

#A155D3

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #17253A

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

Preview Lab → · Contrast checker → · Palette generator →