#17375B#17375B

#17375B is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.2% C 0.074 H 253.2°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#17375B
RGB	rgb(23, 55, 91)
HSL	hsl(212, 60%, 22%)
HSV	hsv(212, 75%, 36%)
CMYK	cmyk(74.7%, 39.6%, 0%, 64.3%)
CIE-LAB	lab(22.55, 1.88, -25.00)
CIE-LCH	lch(22.55, 25.07, 274.29°)
OKLab	oklab(33.25% -0.0214 -0.0711)
OKLCH	oklch(33.25% 0.074 253.2)
XYZ	xyz(3.6072, 3.6695, 10.4137)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17375B #5B3B17

analogous

#17595B #17375B #19175B

triadic

#17375B #5B1737 #375B17

tetradic

#17375B #5B1759 #5B3B17 #175B19

square

#17375B #5B1759 #5B3B17 #175B19

split-complementary

#17375B #5B1917 #595B17

monochromatic

#060F18 #0B192A #17375B #23558C #3072BD

Accessibility & contrast

On white

12.11

#17375B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#17375B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17375B

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17375B	#FFFFFF	#000000	##FFFFFF
##17375B	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27395C

Deuteranopia (green-blind)

#1D335A

Tritanopia (blue-blind)

#003F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #17375b;
/* rgb */ color: rgb(23, 55, 91);
/* oklch */ color: oklch(33.2% 0.074 253.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#17375b",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 91
  },
  "hsl": {
    "h": 211.765,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33248,
    "c": 0.07425,
    "h": 253.2
  },
  "luminance": 0.0367
}

Semantic roles & 50–950 ramp

primary

#17375B

secondary

#92693C

accent

#9945E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05070B

muted

#797A7C

Preview Lab

Preview with #17375B

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

Preview Lab → · Contrast checker → · Palette generator →