#174E64#174E64

#174E64 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 39.9% C 0.067 H 228.9°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#174E64
RGB	rgb(23, 78, 100)
HSL	hsl(197, 63%, 24%)
HSV	hsv(197, 77%, 39%)
CMYK	cmyk(77%, 22%, 0%, 60.8%)
CIE-LAB	lab(30.76, -9.61, -17.95)
CIE-LCH	lch(30.76, 20.36, 241.83°)
OKLab	oklab(39.9% -0.044 -0.0504)
OKLCH	oklch(39.9% 0.067 228.9)
XYZ	xyz(5.3771, 6.5504, 13.0351)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E64 #642D17

analogous

#176454 #174E64 #172864

triadic

#174E64 #64174E #4E6417

tetradic

#174E64 #541764 #642D17 #286417

square

#174E64 #541764 #642D17 #286417

split-complementary

#174E64 #641728 #645417

monochromatic

#061319 #0C2732 #174E64 #227596 #2E9CC8

Accessibility & contrast

On white

9.09

#174E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#174E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E64

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E64	#FFFFFF	#000000	##FFFFFF
##174E64	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D65

Deuteranopia (green-blind)

#384564

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174e64;
/* rgb */ color: rgb(23, 78, 100);
/* oklch */ color: oklch(39.9% 0.067 228.9);

Tailwind

colors: {
  custom: {
    50: '#607f90',
    500: '#174e64',
    950: '#000000',
  },
}

SCSS

$custom: #174e64;
$custom-light: #607f90;
$custom-dark: #000000;

JSON

{
  "hex": "#174e64",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 100
  },
  "hsl": {
    "h": 197.143,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39902,
    "c": 0.06687,
    "h": 228.9
  },
  "luminance": 0.06551
}

Semantic roles & 50–950 ramp

primary

#174E64

secondary

#9A573C

accent

#7142E6

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #174E64

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

Preview Lab → · Contrast checker → · Palette generator →