#17374C#17374C

#17374C is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.3% C 0.053 H 240.0°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#17374C
RGB	rgb(23, 55, 76)
HSL	hsl(204, 54%, 19%)
HSV	hsv(204, 70%, 30%)
CMYK	cmyk(69.7%, 27.6%, 0%, 70.2%)
CIE-LAB	lab(21.71, -4.12, -16.38)
CIE-LCH	lch(21.71, 16.89, 255.87°)
OKLab	oklab(32.32% -0.0266 -0.046)
OKLCH	oklch(32.32% 0.053 240)
XYZ	xyz(3.0236, 3.4360, 7.3400)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17374C #4C2C17

analogous

#174C47 #17374C #171D4C

triadic

#17374C #4C1737 #374C17

tetradic

#17374C #47174C #4C2C17 #1D4C17

square

#17374C #47174C #4C2C17 #1D4C17

split-complementary

#17374C #4C171D #4C4717

monochromatic

#071117 #09151D #17374C #25597B #337BAA

Accessibility & contrast

On white

12.45

#17374C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#17374C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17374C

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17374C	#FFFFFF	#000000	##FFFFFF
##17374C	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D374D

Deuteranopia (green-blind)

#26324C

Tritanopia (blue-blind)

#003C3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17374c;
/* rgb */ color: rgb(23, 55, 76);
/* oklch */ color: oklch(32.3% 0.053 240.0);

Tailwind

colors: {
  custom: {
    50: '#5a6d7e',
    500: '#17374c',
    950: '#000000',
  },
}

SCSS

$custom: #17374c;
$custom-light: #5a6d7e;
$custom-dark: #000000;

JSON

{
  "hex": "#17374c",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 76
  },
  "hsl": {
    "h": 203.774,
    "s": 53.535,
    "l": 19.412
  },
  "oklch": {
    "l": 0.32317,
    "c": 0.05312,
    "h": 240
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#17374C

secondary

#83583C

accent

#854BDD

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #17374C

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

Preview Lab → · Contrast checker → · Palette generator →