#17253D#17253D

#17253D is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.5% C 0.049 H 260.7°. Best body text is #FFFFFF at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#17253D
RGB	rgb(23, 37, 61)
HSL	hsl(218, 45%, 16%)
HSV	hsv(218, 62%, 24%)
CMYK	cmyk(62.3%, 39.3%, 0%, 76.1%)
CIE-LAB	lab(14.64, 2.61, -17.20)
CIE-LCH	lch(14.64, 17.39, 278.64°)
OKLab	oklab(26.48% -0.008 -0.0485)
OKLCH	oklch(26.48% 0.049 260.7)
XYZ	xyz(1.8569, 1.8421, 4.6717)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17253D #3D2F17

analogous

#17383D #17253D #1C173D

triadic

#17253D #3D1725 #253D17

tetradic

#17253D #3D1738 #3D2F17 #173D1C

square

#17253D #3D1738 #3D2F17 #173D1C

split-complementary

#17253D #3D1C17 #383D17

monochromatic

#080D16 #080D16 #17253D #284069 #395B96

Accessibility & contrast

On white

15.35

#17253D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#17253D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17253D

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17253D	#FFFFFF	#000000	##FFFFFF
##17253D	1.00	15.35	1.37	15.35
#FFFFFF	15.35	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B273E

Deuteranopia (green-blind)

#17233C

Tritanopia (blue-blind)

#032A2E

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #17253d;
/* rgb */ color: rgb(23, 37, 61);
/* oklch */ color: oklch(26.5% 0.049 260.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17253d",
  "rgb": {
    "r": 23,
    "g": 37,
    "b": 61
  },
  "hsl": {
    "h": 217.895,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26485,
    "c": 0.04918,
    "h": 260.7
  },
  "luminance": 0.01842
}

Semantic roles & 50–950 ramp

primary

#17253D

secondary

#745F3C

accent

#A553D5

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #17253D

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

Preview Lab → · Contrast checker → · Palette generator →