#174F66#174F66

#174F66 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.3% C 0.068 H 229.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#174F66
RGB	rgb(23, 79, 102)
HSL	hsl(197, 63%, 25%)
HSV	hsv(197, 77%, 40%)
CMYK	cmyk(77.5%, 22.5%, 0%, 60%)
CIE-LAB	lab(31.19, -9.47, -18.55)
CIE-LCH	lch(31.19, 20.83, 242.96°)
OKLab	oklab(40.28% -0.0443 -0.0521)
OKLCH	oklch(40.28% 0.068 229.6)
XYZ	xyz(5.5466, 6.7328, 13.5750)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F66 #662E17

analogous

#176656 #174F66 #172866

triadic

#174F66 #66174F #4F6617

tetradic

#174F66 #561766 #662E17 #286617

square

#174F66 #561766 #662E17 #286617

split-complementary

#174F66 #661728 #665617

monochromatic

#061319 #0C2834 #174F66 #227698 #2E9CCA

Accessibility & contrast

On white

8.95

#174F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#174F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F66

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F66	#FFFFFF	#000000	##FFFFFF
##174F66	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434E67

Deuteranopia (green-blind)

#384666

Tritanopia (blue-blind)

#005557

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174f66;
/* rgb */ color: rgb(23, 79, 102);
/* oklch */ color: oklch(40.3% 0.068 229.6);

Tailwind

colors: {
  custom: {
    50: '#618091',
    500: '#174f66',
    950: '#000000',
  },
}

SCSS

$custom: #174f66;
$custom-light: #618091;
$custom-dark: #000000;

JSON

{
  "hex": "#174f66",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 102
  },
  "hsl": {
    "h": 197.468,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40276,
    "c": 0.06837,
    "h": 229.6
  },
  "luminance": 0.06733
}

Semantic roles & 50–950 ramp

primary

#174F66

secondary

#9C583C

accent

#7242E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0D

muted

#7A7C7D

Preview Lab

Preview with #174F66

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

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