#173C6E#173C6E

#173C6E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.8% C 0.096 H 256.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#173C6E
RGB	rgb(23, 60, 110)
HSL	hsl(214, 65%, 26%)
HSV	hsv(214, 79%, 43%)
CMYK	cmyk(79.1%, 45.5%, 0%, 56.9%)
CIE-LAB	lab(25.38, 6.23, -32.80)
CIE-LCH	lch(25.38, 33.39, 280.76°)
OKLab	oklab(35.84% -0.0218 -0.0939)
OKLCH	oklch(35.84% 0.096 256.9)
XYZ	xyz(4.7826, 4.5391, 15.3729)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173C6E #6E4917

analogous

#17676E #173C6E #1D176E

triadic

#173C6E #6E173C #3C6E17

tetradic

#173C6E #6E1767 #6E4917 #176E1D

square

#173C6E #6E1767 #6E4917 #176E1D

split-complementary

#173C6E #6E1D17 #676E17

monochromatic

#050E19 #0C203B #173C6E #2258A1 #2C73D3

Accessibility & contrast

On white

11.01

#173C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#173C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173C6E

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173C6E	#FFFFFF	#000000	##FFFFFF
##173C6E	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234070

Deuteranopia (green-blind)

#13386D

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #173c6e;
/* rgb */ color: rgb(23, 60, 110);
/* oklch */ color: oklch(35.8% 0.096 256.9);

Tailwind

colors: {
  custom: {
    50: '#627198',
    500: '#173c6e',
    950: '#000000',
  },
}

SCSS

$custom: #173c6e;
$custom-light: #627198;
$custom-dark: #000000;

JSON

{
  "hex": "#173c6e",
  "rgb": {
    "r": 23,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 214.483,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35843,
    "c": 0.09637,
    "h": 256.9
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#173C6E

secondary

#A4783D

accent

#A13FE8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #173C6E

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

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