#17253F#17253F

#17253F is a dark, muted blue. Relative luminance 0.019; OKLCH L 26.6% C 0.053 H 262.0°. Best body text is #FFFFFF at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#17253F
RGB	rgb(23, 37, 63)
HSL	hsl(219, 47%, 17%)
HSV	hsv(219, 63%, 25%)
CMYK	cmyk(63.5%, 41.3%, 0%, 75.3%)
CIE-LAB	lab(14.76, 3.41, -18.40)
CIE-LCH	lch(14.76, 18.72, 280.49°)
OKLab	oklab(26.62% -0.0074 -0.052)
OKLCH	oklch(26.62% 0.053 262)
XYZ	xyz(1.9118, 1.8640, 4.9607)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17253F #3F3117

analogous

#17393F #17253F #1D173F

triadic

#17253F #3F1725 #253F17

tetradic

#17253F #3F1739 #3F3117 #173F1D

square

#17253F #3F1739 #3F3117 #173F1D

split-complementary

#17253F #3F1D17 #393F17

monochromatic

#080D16 #080D16 #17253F #273F6C #385A99

Accessibility & contrast

On white

15.30

#17253F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17253F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17253F

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17253F	#FFFFFF	#000000	##FFFFFF
##17253F	1.00	15.30	1.37	15.30
#FFFFFF	15.30	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2740

Deuteranopia (green-blind)

#15233E

Tritanopia (blue-blind)

#012B2F

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17253f;
/* rgb */ color: rgb(23, 37, 63);
/* oklch */ color: oklch(26.6% 0.053 262.0);

Tailwind

colors: {
  custom: {
    50: '#585f74',
    500: '#17253f',
    950: '#000000',
  },
}

SCSS

$custom: #17253f;
$custom-light: #585f74;
$custom-dark: #000000;

JSON

{
  "hex": "#17253f",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 63
  },
  "hsl": {
    "h": 219,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.26619,
    "c": 0.05257,
    "h": 262
  },
  "luminance": 0.01864
}

Semantic roles & 50–950 ramp

primary

#17253F

secondary

#76623C

accent

#A852D6

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #17253F

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

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