#173E67#173E67

#173E67 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.084 H 252.2°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#173E67
RGB	rgb(23, 62, 103)
HSL	hsl(211, 63%, 25%)
HSV	hsv(211, 78%, 40%)
CMYK	cmyk(77.7%, 39.8%, 0%, 59.6%)
CIE-LAB	lab(25.58, 1.96, -27.99)
CIE-LCH	lch(25.58, 28.05, 274.00°)
OKLab	oklab(35.86% -0.0255 -0.0797)
OKLCH	oklch(35.86% 0.084 252.2)
XYZ	xyz(4.5232, 4.6062, 13.4800)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173E67 #674017

analogous

#176667 #173E67 #181767

triadic

#173E67 #67173E #3E6717

tetradic

#173E67 #671766 #674017 #176718

square

#173E67 #671766 #674017 #176718

split-complementary

#173E67 #671817 #666717

monochromatic

#060F19 #0C2035 #173E67 #225C99 #2D7ACB

Accessibility & contrast

On white

10.93

#173E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#173E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173E67

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173E67	#FFFFFF	#000000	##FFFFFF
##173E67	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4169

Deuteranopia (green-blind)

#1F3966

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #173e67;
/* rgb */ color: rgb(23, 62, 103);
/* oklch */ color: oklch(35.9% 0.084 252.2);

Tailwind

colors: {
  custom: {
    50: '#607292',
    500: '#173e67',
    950: '#000000',
  },
}

SCSS

$custom: #173e67;
$custom-light: #607292;
$custom-dark: #000000;

JSON

{
  "hex": "#173e67",
  "rgb": {
    "r": 23,
    "g": 62,
    "b": 103
  },
  "hsl": {
    "h": 210.75,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35857,
    "c": 0.0837,
    "h": 252.2
  },
  "luminance": 0.04607
}

Semantic roles & 50–950 ramp

primary

#173E67

secondary

#9D6E3D

accent

#9641E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #173E67

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

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