#173E6A#173E6A

#173E6A is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.088 H 253.7°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#173E6A
RGB	rgb(23, 62, 106)
HSL	hsl(212, 64%, 25%)
HSV	hsv(212, 78%, 42%)
CMYK	cmyk(78.3%, 41.5%, 0%, 58.4%)
CIE-LAB	lab(25.77, 3.19, -29.62)
CIE-LCH	lch(25.77, 29.79, 276.15°)
OKLab	oklab(36.06% -0.0247 -0.0845)
OKLCH	oklch(36.06% 0.088 253.7)
XYZ	xyz(4.6765, 4.6675, 14.2873)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E6A #6A4317

analogous

#17676A #173E6A #19176A

triadic

#173E6A #6A173E #3E6A17

tetradic

#173E6A #6A1767 #6A4317 #176A19

square

#173E6A #6A1767 #6A4317 #176A19

split-complementary

#173E6A #6A1917 #676A17

monochromatic

#050F19 #0C2138 #173E6A #225B9C #2D79CF

Accessibility & contrast

On white

10.86

#173E6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#173E6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E6A

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E6A	#FFFFFF	#000000	##FFFFFF
##173E6A	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29416C

Deuteranopia (green-blind)

#1C3A69

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173e6a;
/* rgb */ color: rgb(23, 62, 106);
/* oklch */ color: oklch(36.1% 0.088 253.7);

Tailwind

colors: {
  custom: {
    50: '#617295',
    500: '#173e6a',
    950: '#000000',
  },
}

SCSS

$custom: #173e6a;
$custom-light: #617295;
$custom-dark: #000000;

JSON

{
  "hex": "#173e6a",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 106
  },
  "hsl": {
    "h": 211.807,
    "s": 64.341,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36061,
    "c": 0.08805,
    "h": 253.7
  },
  "luminance": 0.04668
}

Semantic roles & 50–950 ramp

primary

#173E6A

secondary

#A0713D

accent

#9940E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #173E6A

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

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