#173C6D#173C6D

#173C6D is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.8% C 0.095 H 256.6°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#173C6D
RGB	rgb(23, 60, 109)
HSL	hsl(214, 65%, 26%)
HSV	hsv(214, 79%, 43%)
CMYK	cmyk(78.9%, 45%, 0%, 57.3%)
CIE-LAB	lab(25.31, 5.82, -32.26)
CIE-LCH	lch(25.31, 32.79, 280.22°)
OKLab	oklab(35.77% -0.022 -0.0923)
OKLCH	oklch(35.77% 0.095 256.6)
XYZ	xyz(4.7285, 4.5175, 15.0878)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C6D #6D4817

analogous

#17676D #173C6D #1D176D

triadic

#173C6D #6D173C #3C6D17

tetradic

#173C6D #6D1767 #6D4817 #176D1D

square

#173C6D #6D1767 #6D4817 #176D1D

split-complementary

#173C6D #6D1D17 #676D17

monochromatic

#050E19 #0C203A #173C6D #2258A0 #2C74D2

Accessibility & contrast

On white

11.03

#173C6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#173C6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C6D

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C6D	#FFFFFF	#000000	##FFFFFF
##173C6D	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24406F

Deuteranopia (green-blind)

#14386C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173c6d;
/* rgb */ color: rgb(23, 60, 109);
/* oklch */ color: oklch(35.8% 0.095 256.6);

Tailwind

colors: {
  custom: {
    50: '#627197',
    500: '#173c6d',
    950: '#000000',
  },
}

SCSS

$custom: #173c6d;
$custom-light: #627197;
$custom-dark: #000000;

JSON

{
  "hex": "#173c6d",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 109
  },
  "hsl": {
    "h": 214.186,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35771,
    "c": 0.0949,
    "h": 256.6
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#173C6D

secondary

#A3773D

accent

#A040E8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #173C6D

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

Preview Lab → · Contrast checker → · Palette generator →