#174F80#174F80

#174F80 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.100 H 249.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#174F80
RGB	rgb(23, 79, 128)
HSL	hsl(208, 70%, 30%)
HSV	hsv(208, 82%, 50%)
CMYK	cmyk(82%, 38.3%, 0%, 49.8%)
CIE-LAB	lab(32.55, 0.75, -32.69)
CIE-LCH	lch(32.55, 32.70, 271.32°)
OKLab	oklab(41.8% -0.0353 -0.0932)
OKLCH	oklch(41.8% 0.1 249.2)
XYZ	xyz(7.0441, 7.3318, 21.4618)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F80 #804817

analogous

#17807D #174F80 #171B80

triadic

#174F80 #80174F #4F8017

tetradic

#174F80 #7D1780 #804817 #1B8017

square

#174F80 #7D1780 #804817 #1B8017

split-complementary

#174F80 #80171B #807D17

monochromatic

#05101A #0E2F4C #174F80 #206FB4 #368EDB

Accessibility & contrast

On white

8.51

#174F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#174F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F80

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F80	#FFFFFF	#000000	##FFFFFF
##174F80	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385282

Deuteranopia (green-blind)

#28487F

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174f80;
/* rgb */ color: rgb(23, 79, 128);
/* oklch */ color: oklch(41.8% 0.100 249.2);

Tailwind

colors: {
  custom: {
    50: '#6680a5',
    500: '#174f80',
    950: '#000000',
  },
}

SCSS

$custom: #174f80;
$custom-light: #6680a5;
$custom-dark: #000000;

JSON

{
  "hex": "#174f80",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 128
  },
  "hsl": {
    "h": 208,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.41799,
    "c": 0.09965,
    "h": 249.2
  },
  "luminance": 0.07333
}

Semantic roles & 50–950 ramp

primary

#174F80

secondary

#B4753E

accent

#8E3BEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #174F80

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

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