#17375A#17375A

#17375A is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.073 H 252.6°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#17375A
RGB	rgb(23, 55, 90)
HSL	hsl(211, 59%, 22%)
HSV	hsv(211, 74%, 35%)
CMYK	cmyk(74.4%, 38.9%, 0%, 64.7%)
CIE-LAB	lab(22.49, 1.47, -24.44)
CIE-LCH	lch(22.49, 24.48, 273.43°)
OKLab	oklab(33.18% -0.0217 -0.0694)
OKLCH	oklch(33.18% 0.073 252.6)
XYZ	xyz(3.5643, 3.6523, 10.1880)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17375A #5A3A17

analogous

#17595A #17375A #18175A

triadic

#17375A #5A1737 #375A17

tetradic

#17375A #5A1759 #5A3A17 #175A18

square

#17375A #5A1759 #5A3A17 #175A18

split-complementary

#17375A #5A1817 #595A17

monochromatic

#060F18 #0B1929 #17375A #23558B #3073BB

Accessibility & contrast

On white

12.13

#17375A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#17375A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17375A

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17375A	#FFFFFF	#000000	##FFFFFF
##17375A	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395B

Deuteranopia (green-blind)

#1E3359

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #17375a;
/* rgb */ color: rgb(23, 55, 90);
/* oklch */ color: oklch(33.2% 0.073 252.6);

Tailwind

colors: {
  custom: {
    50: '#5d6d89',
    500: '#17375a',
    950: '#000000',
  },
}

SCSS

$custom: #17375a;
$custom-light: #5d6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#17375a",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 90
  },
  "hsl": {
    "h": 211.343,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.33182,
    "c": 0.07277,
    "h": 252.6
  },
  "luminance": 0.03653
}

Semantic roles & 50–950 ramp

primary

#17375A

secondary

#91683C

accent

#9745E2

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #17375A

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

Preview Lab → · Contrast checker → · Palette generator →