#174C66#174C66

#174C66 is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.5% C 0.070 H 234.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#174C66
RGB	rgb(23, 76, 102)
HSL	hsl(200, 63%, 25%)
HSV	hsv(200, 77%, 40%)
CMYK	cmyk(77.5%, 25.5%, 0%, 60%)
CIE-LAB	lab(30.18, -7.61, -20.12)
CIE-LCH	lch(30.18, 21.51, 249.27°)
OKLab	oklab(39.47% -0.041 -0.0566)
OKLCH	oklch(39.47% 0.07 234.1)
XYZ	xyz(5.3351, 6.3097, 13.5045)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174C66 #663117

analogous

#176659 #174C66 #172566

triadic

#174C66 #66174C #4C6617

tetradic

#174C66 #591766 #663117 #256617

square

#174C66 #591766 #663117 #256617

split-complementary

#174C66 #661725 #665917

monochromatic

#061319 #0C2734 #174C66 #227198 #2E96CA

Accessibility & contrast

On white

9.28

#174C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#174C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174C66

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174C66	#FFFFFF	#000000	##FFFFFF
##174C66	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4B67

Deuteranopia (green-blind)

#354466

Tritanopia (blue-blind)

#005355

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174c66;
/* rgb */ color: rgb(23, 76, 102);
/* oklch */ color: oklch(39.5% 0.070 234.1);

Tailwind

colors: {
  custom: {
    50: '#607e91',
    500: '#174c66',
    950: '#000000',
  },
}

SCSS

$custom: #174c66;
$custom-light: #607e91;
$custom-dark: #000000;

JSON

{
  "hex": "#174c66",
  "rgb": {
    "r": 23,
    "g": 76,
    "b": 102
  },
  "hsl": {
    "h": 199.747,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.39471,
    "c": 0.06989,
    "h": 234.1
  },
  "luminance": 0.0631
}

Semantic roles & 50–950 ramp

primary

#174C66

secondary

#9C5C3C

accent

#7842E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090D

muted

#7A7B7D

Preview Lab

Preview with #174C66

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

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