#173E6C#173E6C

#173E6C is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.091 H 254.6°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#173E6C
RGB	rgb(23, 62, 108)
HSL	hsl(212, 65%, 26%)
HSV	hsv(212, 79%, 42%)
CMYK	cmyk(78.7%, 42.6%, 0%, 57.6%)
CIE-LAB	lab(25.89, 4.02, -30.70)
CIE-LCH	lch(25.89, 30.96, 277.45°)
OKLab	oklab(36.2% -0.0242 -0.0877)
OKLCH	oklch(36.2% 0.091 254.6)
XYZ	xyz(4.7817, 4.7096, 14.8415)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E6C #6C4517

analogous

#17686C #173E6C #1B176C

triadic

#173E6C #6C173E #3E6C17

tetradic

#173E6C #6C1768 #6C4517 #176C1B

square

#173E6C #6C1768 #6C4517 #176C1B

split-complementary

#173E6C #6C1B17 #686C17

monochromatic

#050E19 #0C213A #173E6C #225B9E #2C78D1

Accessibility & contrast

On white

10.81

#173E6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#173E6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E6C

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E6C	#FFFFFF	#000000	##FFFFFF
##173E6C	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28426E

Deuteranopia (green-blind)

#1A3A6B

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173e6c;
/* rgb */ color: rgb(23, 62, 108);
/* oklch */ color: oklch(36.2% 0.091 254.6);

Tailwind

colors: {
  custom: {
    50: '#617296',
    500: '#173e6c',
    950: '#000000',
  },
}

SCSS

$custom: #173e6c;
$custom-light: #617296;
$custom-dark: #000000;

JSON

{
  "hex": "#173e6c",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 108
  },
  "hsl": {
    "h": 212.471,
    "s": 64.885,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36199,
    "c": 0.09096,
    "h": 254.6
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#173E6C

secondary

#A2743D

accent

#9B40E8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #173E6C

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

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