#17385B#17385B

#17385B is a dark, moderate cyan. Relative luminance 0.038; OKLCH L 33.5% C 0.073 H 252.0°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#17385B
RGB	rgb(23, 56, 91)
HSL	hsl(211, 60%, 22%)
HSV	hsv(211, 75%, 36%)
CMYK	cmyk(74.7%, 38.5%, 0%, 64.3%)
CIE-LAB	lab(22.88, 1.18, -24.47)
CIE-LCH	lch(22.88, 24.50, 272.77°)
OKLab	oklab(33.51% -0.0225 -0.0695)
OKLCH	oklch(33.51% 0.073 252)
XYZ	xyz(3.6552, 3.7654, 10.4297)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17385B #5B3A17

analogous

#175A5B #17385B #18175B

triadic

#17385B #5B1738 #385B17

tetradic

#17385B #5B175A #5B3A17 #175B18

square

#17385B #5B175A #5B3A17 #175B18

split-complementary

#17385B #5B1817 #5A5B17

monochromatic

#060F18 #0B1A2A #17385B #23568C #3074BD

Accessibility & contrast

On white

11.98

#17385B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#17385B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17385B

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17385B	#FFFFFF	#000000	##FFFFFF
##17385B	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283A5C

Deuteranopia (green-blind)

#1E345A

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #17385b;
/* rgb */ color: rgb(23, 56, 91);
/* oklch */ color: oklch(33.5% 0.073 252.0);

Tailwind

colors: {
  custom: {
    50: '#5d6e89',
    500: '#17385b',
    950: '#000000',
  },
}

SCSS

$custom: #17385b;
$custom-light: #5d6e89;
$custom-dark: #000000;

JSON

{
  "hex": "#17385b",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 91
  },
  "hsl": {
    "h": 210.882,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33509,
    "c": 0.07309,
    "h": 252
  },
  "luminance": 0.03766
}

Semantic roles & 50–950 ramp

primary

#17385B

secondary

#92683C

accent

#9645E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #17385B

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

Preview Lab → · Contrast checker → · Palette generator →