#173E62#173E62

#173E62 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.077 H 249.3°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#173E62
RGB	rgb(23, 62, 98)
HSL	hsl(209, 62%, 24%)
HSV	hsv(209, 77%, 38%)
CMYK	cmyk(76.5%, 36.7%, 0%, 61.6%)
CIE-LAB	lab(25.29, -0.08, -25.23)
CIE-LCH	lch(25.29, 25.23, 269.82°)
OKLab	oklab(35.53% -0.027 -0.0716)
OKLCH	oklch(35.53% 0.077 249.3)
XYZ	xyz(4.2797, 4.5088, 12.1976)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E62 #623B17

analogous

#176260 #173E62 #171862

triadic

#173E62 #62173E #3E6217

tetradic

#173E62 #601762 #623B17 #186217

square

#173E62 #601762 #623B17 #186217

split-complementary

#173E62 #621718 #626017

monochromatic

#061019 #0B1F30 #173E62 #235D94 #2E7DC5

Accessibility & contrast

On white

11.04

#173E62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173E62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E62

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E62	#FFFFFF	#000000	##FFFFFF
##173E62	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4064

Deuteranopia (green-blind)

#233961

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173e62;
/* rgb */ color: rgb(23, 62, 98);
/* oklch */ color: oklch(35.5% 0.077 249.3);

Tailwind

colors: {
  custom: {
    50: '#5f738f',
    500: '#173e62',
    950: '#000000',
  },
}

SCSS

$custom: #173e62;
$custom-light: #5f738f;
$custom-dark: #000000;

JSON

{
  "hex": "#173e62",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 98
  },
  "hsl": {
    "h": 208.8,
    "s": 61.983,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3553,
    "c": 0.07657,
    "h": 249.3
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#173E62

secondary

#99693C

accent

#9143E5

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #173E62

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

Preview Lab → · Contrast checker → · Palette generator →