#17355B#17355B

#17355B is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.077 H 255.5°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#17355B
RGB	rgb(23, 53, 91)
HSL	hsl(214, 60%, 22%)
HSV	hsv(214, 75%, 36%)
CMYK	cmyk(74.7%, 41.8%, 0%, 64.3%)
CIE-LAB	lab(21.88, 3.28, -26.05)
CIE-LCH	lch(21.88, 26.26, 277.17°)
OKLab	oklab(32.73% -0.0192 -0.0742)
OKLCH	oklch(32.73% 0.077 255.5)
XYZ	xyz(3.5141, 3.4833, 10.3827)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17355B #5B3D17

analogous

#17575B #17355B #1B175B

triadic

#17355B #5B1735 #355B17

tetradic

#17355B #5B1757 #5B3D17 #175B1B

square

#17355B #5B1757 #5B3D17 #175B1B

split-complementary

#17355B #5B1B17 #575B17

monochromatic

#060E18 #0B192A #17355B #23518C #306EBD

Accessibility & contrast

On white

12.38

#17355B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#17355B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17355B

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17355B	#FFFFFF	#000000	##FFFFFF
##17355B	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24385D

Deuteranopia (green-blind)

#19325A

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #17355b;
/* rgb */ color: rgb(23, 53, 91);
/* oklch */ color: oklch(32.7% 0.077 255.5);

Tailwind

colors: {
  custom: {
    50: '#5d6b89',
    500: '#17355b',
    950: '#000000',
  },
}

SCSS

$custom: #17355b;
$custom-light: #5d6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#17355b",
  "rgb": {
    "r": 23,
    "g": 53,
    "b": 91
  },
  "hsl": {
    "h": 213.529,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32731,
    "c": 0.07665,
    "h": 255.5
  },
  "luminance": 0.03484
}

Semantic roles & 50–950 ramp

primary

#17355B

secondary

#926C3C

accent

#9D45E3

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #17355B

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

Preview Lab → · Contrast checker → · Palette generator →