#174E66#174E66

#174E66 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.069 H 231.1°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#174E66
RGB	rgb(23, 78, 102)
HSL	hsl(198, 63%, 25%)
HSV	hsv(198, 77%, 40%)
CMYK	cmyk(77.5%, 23.5%, 0%, 60%)
CIE-LAB	lab(30.85, -8.85, -19.07)
CIE-LCH	lch(30.85, 21.03, 245.10°)
OKLab	oklab(40.01% -0.0432 -0.0536)
OKLCH	oklch(40.01% 0.069 231.1)
XYZ	xyz(5.4750, 6.5896, 13.5512)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E66 #662F17

analogous

#176657 #174E66 #172766

triadic

#174E66 #66174E #4E6617

tetradic

#174E66 #571766 #662F17 #276617

square

#174E66 #571766 #662F17 #276617

split-complementary

#174E66 #661727 #665717

monochromatic

#061319 #0C2834 #174E66 #227498 #2E9ACA

Accessibility & contrast

On white

9.06

#174E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#174E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E66

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E66	#FFFFFF	#000000	##FFFFFF
##174E66	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D67

Deuteranopia (green-blind)

#374566

Tritanopia (blue-blind)

#005556

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174e66;
/* rgb */ color: rgb(23, 78, 102);
/* oklch */ color: oklch(40.0% 0.069 231.1);

Tailwind

colors: {
  custom: {
    50: '#617f91',
    500: '#174e66',
    950: '#000000',
  },
}

SCSS

$custom: #174e66;
$custom-light: #617f91;
$custom-dark: #000000;

JSON

{
  "hex": "#174e66",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 102
  },
  "hsl": {
    "h": 198.228,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40007,
    "c": 0.06882,
    "h": 231.1
  },
  "luminance": 0.0659
}

Semantic roles & 50–950 ramp

primary

#174E66

secondary

#9C5A3C

accent

#7442E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0D

muted

#7A7C7D

Preview Lab

Preview with #174E66

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

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