#174F72#174F72

#174F72 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.9% C 0.082 H 240.9°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#174F72
RGB	rgb(23, 79, 114)
HSL	hsl(203, 66%, 27%)
HSV	hsv(203, 80%, 45%)
CMYK	cmyk(79.8%, 30.7%, 0%, 55.3%)
CIE-LAB	lab(31.78, -4.83, -25.19)
CIE-LCH	lch(31.78, 25.65, 259.14°)
OKLab	oklab(40.94% -0.0397 -0.0713)
OKLCH	oklch(40.94% 0.082 240.9)
XYZ	xyz(6.1854, 6.9883, 16.9392)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F72 #723A17

analogous

#177268 #174F72 #172272

triadic

#174F72 #72174F #4F7217

tetradic

#174F72 #681772 #723A17 #227217

square

#174F72 #681772 #723A17 #227217

split-complementary

#174F72 #721722 #726817

monochromatic

#051219 #0D2C3F #174F72 #2172A5 #2E95D5

Accessibility & contrast

On white

8.76

#174F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#174F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F72

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F72	#FFFFFF	#000000	##FFFFFF
##174F72	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F74

Deuteranopia (green-blind)

#324771

Tritanopia (blue-blind)

#00585B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174f72;
/* rgb */ color: rgb(23, 79, 114);
/* oklch */ color: oklch(40.9% 0.082 240.9);

Tailwind

colors: {
  custom: {
    50: '#63809a',
    500: '#174f72',
    950: '#000000',
  },
}

SCSS

$custom: #174f72;
$custom-light: #63809a;
$custom-dark: #000000;

JSON

{
  "hex": "#174f72",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 114
  },
  "hsl": {
    "h": 203.077,
    "s": 66.423,
    "l": 26.863
  },
  "oklch": {
    "l": 0.4094,
    "c": 0.0816,
    "h": 240.9
  },
  "luminance": 0.06989
}

Semantic roles & 50–950 ramp

primary

#174F72

secondary

#A8663D

accent

#803EE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174F72

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

Preview Lab → · Contrast checker → · Palette generator →