#173A67#173A67

#173A67 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.8% C 0.088 H 256.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#173A67
RGB	rgb(23, 58, 103)
HSL	hsl(214, 63%, 25%)
HSV	hsv(214, 78%, 40%)
CMYK	cmyk(77.7%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(24.28, 4.73, -30.06)
CIE-LCH	lch(24.28, 30.43, 278.94°)
OKLab	oklab(34.84% -0.0214 -0.0859)
OKLCH	oklch(34.84% 0.088 256)
XYZ	xyz(4.3137, 4.1871, 13.4102)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173A67 #674417

analogous

#176267 #173A67 #1C1767

triadic

#173A67 #67173A #3A6717

tetradic

#173A67 #671762 #674417 #17671C

square

#173A67 #671762 #674417 #17671C

split-complementary

#173A67 #671C17 #626717

monochromatic

#060E19 #0C1E35 #173A67 #225699 #2D72CB

Accessibility & contrast

On white

11.43

#173A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#173A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173A67

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173A67	#FFFFFF	#000000	##FFFFFF
##173A67	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243E69

Deuteranopia (green-blind)

#173666

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #173a67;
/* rgb */ color: rgb(23, 58, 103);
/* oklch */ color: oklch(34.8% 0.088 256.0);

Tailwind

colors: {
  custom: {
    50: '#606f93',
    500: '#173a67',
    950: '#000000',
  },
}

SCSS

$custom: #173a67;
$custom-light: #606f93;
$custom-dark: #000000;

JSON

{
  "hex": "#173a67",
  "rgb": {
    "r": 23,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 213.75,
    "s": 63.492,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34843,
    "c": 0.08849,
    "h": 256
  },
  "luminance": 0.04188
}

Semantic roles & 50–950 ramp

primary

#173A67

secondary

#9D733D

accent

#9E41E7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #173A67

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

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