#17253E#17253E

#17253E is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.6% C 0.051 H 261.3°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#17253E
RGB	rgb(23, 37, 62)
HSL	hsl(218, 46%, 17%)
HSV	hsv(218, 63%, 24%)
CMYK	cmyk(62.9%, 40.3%, 0%, 75.7%)
CIE-LAB	lab(14.70, 3.01, -17.80)
CIE-LCH	lch(14.70, 18.05, 279.60°)
OKLab	oklab(26.55% -0.0077 -0.0503)
OKLCH	oklch(26.55% 0.051 261.3)
XYZ	xyz(1.8841, 1.8529, 4.8149)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17253E #3E3017

analogous

#17393E #17253E #1D173E

triadic

#17253E #3E1725 #253E17

tetradic

#17253E #3E1739 #3E3017 #173E1D

square

#17253E #3E1739 #3E3017 #173E1D

split-complementary

#17253E #3E1D17 #393E17

monochromatic

#080D16 #080D16 #17253E #28406B #385A97

Accessibility & contrast

On white

15.32

#17253E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17253E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17253E

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17253E	#FFFFFF	#000000	##FFFFFF
##17253E	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B273F

Deuteranopia (green-blind)

#16233D

Tritanopia (blue-blind)

#022B2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17253e;
/* rgb */ color: rgb(23, 37, 62);
/* oklch */ color: oklch(26.6% 0.051 261.3);

Tailwind

colors: {
  custom: {
    50: '#575f73',
    500: '#17253e',
    950: '#000000',
  },
}

SCSS

$custom: #17253e;
$custom-light: #575f73;
$custom-dark: #000000;

JSON

{
  "hex": "#17253e",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 62
  },
  "hsl": {
    "h": 218.462,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26552,
    "c": 0.05087,
    "h": 261.3
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#17253E

secondary

#75603C

accent

#A652D6

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #17253E

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

Preview Lab → · Contrast checker → · Palette generator →