#173D62#173D62

#173D62 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.3% C 0.078 H 250.5°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#173D62
RGB	rgb(23, 61, 98)
HSL	hsl(210, 62%, 24%)
HSV	hsv(210, 77%, 38%)
CMYK	cmyk(76.5%, 37.8%, 0%, 61.6%)
CIE-LAB	lab(24.96, 0.60, -25.75)
CIE-LCH	lch(24.96, 25.76, 271.34°)
OKLab	oklab(35.27% -0.0259 -0.0732)
OKLCH	oklch(35.27% 0.078 250.5)
XYZ	xyz(4.2259, 4.4010, 12.1797)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173D62 #623C17

analogous

#176261 #173D62 #171762

triadic

#173D62 #62173D #3D6217

tetradic

#173D62 #611762 #623C17 #176217

square

#173D62 #611762 #623C17 #176217

split-complementary

#173D62 #621717 #626117

monochromatic

#060F19 #0B1E30 #173D62 #235C94 #2E7BC5

Accessibility & contrast

On white

11.17

#173D62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#173D62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173D62

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173D62	#FFFFFF	#000000	##FFFFFF
##173D62	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3F64

Deuteranopia (green-blind)

#213861

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173d62;
/* rgb */ color: rgb(23, 61, 98);
/* oklch */ color: oklch(35.3% 0.078 250.5);

Tailwind

colors: {
  custom: {
    50: '#5f728f',
    500: '#173d62',
    950: '#000000',
  },
}

SCSS

$custom: #173d62;
$custom-light: #5f728f;
$custom-dark: #000000;

JSON

{
  "hex": "#173d62",
  "rgb": {
    "r": 23,
    "g": 61,
    "b": 98
  },
  "hsl": {
    "h": 209.6,
    "s": 61.983,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3527,
    "c": 0.07765,
    "h": 250.5
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#173D62

secondary

#996A3C

accent

#9343E5

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #173D62

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

Preview Lab → · Contrast checker → · Palette generator →