#17253C#17253C

#17253C is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.4% C 0.048 H 259.9°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#17253C
RGB	rgb(23, 37, 60)
HSL	hsl(217, 45%, 16%)
HSV	hsv(217, 62%, 24%)
CMYK	cmyk(61.7%, 38.3%, 0%, 76.5%)
CIE-LAB	lab(14.58, 2.22, -16.59)
CIE-LCH	lch(14.58, 16.74, 277.63°)
OKLab	oklab(26.42% -0.0083 -0.0468)
OKLCH	oklch(26.42% 0.048 259.9)
XYZ	xyz(1.8303, 1.8314, 4.5311)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17253C #3C2E17

analogous

#17383C #17253C #1C173C

triadic

#17253C #3C1725 #253C17

tetradic

#17253C #3C1738 #3C2E17 #173C1C

square

#17253C #3C1738 #3C2E17 #173C1C

split-complementary

#17253C #3C1C17 #383C17

monochromatic

#080E16 #080E16 #17253C #284068 #395C94

Accessibility & contrast

On white

15.37

#17253C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17253C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17253C

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17253C	#FFFFFF	#000000	##FFFFFF
##17253C	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C273D

Deuteranopia (green-blind)

#17233C

Tritanopia (blue-blind)

#042A2D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17253c;
/* rgb */ color: rgb(23, 37, 60);
/* oklch */ color: oklch(26.4% 0.048 259.9);

Tailwind

colors: {
  custom: {
    50: '#575f72',
    500: '#17253c',
    950: '#000000',
  },
}

SCSS

$custom: #17253c;
$custom-light: #575f72;
$custom-dark: #000000;

JSON

{
  "hex": "#17253c",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 60
  },
  "hsl": {
    "h": 217.297,
    "s": 44.578,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2642,
    "c": 0.0475,
    "h": 259.9
  },
  "luminance": 0.01832
}

Semantic roles & 50–950 ramp

primary

#17253C

secondary

#735E3C

accent

#A454D4

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #17253C

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

Preview Lab → · Contrast checker → · Palette generator →