#17375E#17375E

#17375E is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.5% C 0.079 H 254.8°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#17375E
RGB	rgb(23, 55, 94)
HSL	hsl(213, 61%, 23%)
HSV	hsv(213, 76%, 37%)
CMYK	cmyk(75.5%, 41.5%, 0%, 63.1%)
CIE-LAB	lab(22.73, 3.11, -26.68)
CIE-LCH	lch(22.73, 26.86, 276.64°)
OKLab	oklab(33.45% -0.0206 -0.076)
OKLCH	oklch(33.45% 0.079 254.8)
XYZ	xyz(3.7392, 3.7223, 11.1089)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17375E #5E3E17

analogous

#175A5E #17375E #1A175E

triadic

#17375E #5E1737 #375E17

tetradic

#17375E #5E175A #5E3E17 #175E1A

square

#17375E #5E175A #5E3E17 #175E1A

split-complementary

#17375E #5E1A17 #5A5E17

monochromatic

#060E19 #0B1A2D #17375E #23548F #2F71C0

Accessibility & contrast

On white

12.04

#17375E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#17375E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17375E

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17375E	#FFFFFF	#000000	##FFFFFF
##17375E	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253A60

Deuteranopia (green-blind)

#1A335D

Tritanopia (blue-blind)

#004046

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #17375e;
/* rgb */ color: rgb(23, 55, 94);
/* oklch */ color: oklch(33.5% 0.079 254.8);

Tailwind

colors: {
  custom: {
    50: '#5e6d8c',
    500: '#17375e',
    950: '#000000',
  },
}

SCSS

$custom: #17375e;
$custom-light: #5e6d8c;
$custom-dark: #000000;

JSON

{
  "hex": "#17375e",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 94
  },
  "hsl": {
    "h": 212.958,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33452,
    "c": 0.07874,
    "h": 254.8
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#17375E

secondary

#956D3C

accent

#9C44E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #17375E

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

Preview Lab → · Contrast checker → · Palette generator →