#17588D#17588D

#17588D is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.107 H 248.1°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#17588D
RGB	rgb(23, 88, 141)
HSL	hsl(207, 72%, 32%)
HSV	hsv(207, 84%, 55%)
CMYK	cmyk(83.7%, 37.6%, 0%, 44.7%)
CIE-LAB	lab(36.14, 0.13, -34.95)
CIE-LCH	lch(36.14, 34.95, 270.22°)
OKLab	oklab(44.87% -0.04 -0.0996)
OKLCH	oklch(44.87% 0.107 248.1)
XYZ	xyz(8.6489, 9.0836, 26.4916)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17588D #8D4C17

analogous

#178D87 #17588D #171D8D

triadic

#17588D #8D1758 #588D17

tetradic

#17588D #87178D #8D4C17 #1D8D17

square

#17588D #87178D #8D4C17 #1D8D17

split-complementary

#17588D #8D171D #8D8717

monochromatic

#061624 #0E3758 #17588D #2079C2 #3F97E0

Accessibility & contrast

On white

7.45

#17588D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#17588D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17588D

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17588D	#FFFFFF	#000000	##FFFFFF
##17588D	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5B8F

Deuteranopia (green-blind)

#2D508C

Tritanopia (blue-blind)

#00656B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #17588d;
/* rgb */ color: rgb(23, 88, 141);
/* oklch */ color: oklch(44.9% 0.107 248.1);

Tailwind

colors: {
  custom: {
    50: '#6986ae',
    500: '#17588d',
    950: '#000000',
  },
}

SCSS

$custom: #17588d;
$custom-light: #6986ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17588d",
  "rgb": {
    "r": 23,
    "g": 88,
    "b": 141
  },
  "hsl": {
    "h": 206.949,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44865,
    "c": 0.10737,
    "h": 248.1
  },
  "luminance": 0.09085
}

Semantic roles & 50–950 ramp

primary

#17588D

secondary

#C07940

accent

#8B39EF

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B10

muted

#7A7C7F

Preview Lab

Preview with #17588D

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

Preview Lab → · Contrast checker → · Palette generator →