#17273E#17273E

#17273E is a dark, muted blue. Relative luminance 0.020; OKLCH L 27.1% C 0.048 H 257.5°. Best body text is #FFFFFF at 15.04:1 contrast (WCAG AA passes).

Color values

HEX	#17273E
RGB	rgb(23, 39, 62)
HSL	hsl(215, 46%, 17%)
HSV	hsv(215, 63%, 24%)
CMYK	cmyk(62.9%, 37.1%, 0%, 75.7%)
CIE-LAB	lab(15.39, 1.55, -16.71)
CIE-LCH	lch(15.39, 16.79, 275.29°)
OKLab	oklab(27.09% -0.0105 -0.0471)
OKLCH	oklch(27.09% 0.048 257.5)
XYZ	xyz(1.9481, 1.9808, 4.8362)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17273E #3E2E17

analogous

#173B3E #17273E #1B173E

triadic

#17273E #3E1727 #273E17

tetradic

#17273E #3E173B #3E2E17 #173E1B

square

#17273E #3E173B #3E2E17 #173E1B

split-complementary

#17273E #3E1B17 #3B3E17

monochromatic

#080E16 #080E16 #17273E #28436B #385F97

Accessibility & contrast

On white

15.04

#17273E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#17273E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17273E

15.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17273E	#FFFFFF	#000000	##FFFFFF
##17273E	1.00	15.04	1.40	15.04
#FFFFFF	15.04	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E293F

Deuteranopia (green-blind)

#19253E

Tritanopia (blue-blind)

#022C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #17273e;
/* rgb */ color: rgb(23, 39, 62);
/* oklch */ color: oklch(27.1% 0.048 257.5);

Tailwind

colors: {
  custom: {
    50: '#576073',
    500: '#17273e',
    950: '#000000',
  },
}

SCSS

$custom: #17273e;
$custom-light: #576073;
$custom-dark: #000000;

JSON

{
  "hex": "#17273e",
  "rgb": {
    "r": 23,
    "g": 39,
    "b": 62
  },
  "hsl": {
    "h": 215.385,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.2709,
    "c": 0.04826,
    "h": 257.5
  },
  "luminance": 0.01981
}

Semantic roles & 50–950 ramp

primary

#17273E

secondary

#755D3C

accent

#A052D6

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #17273E

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

Preview Lab → · Contrast checker → · Palette generator →