#174F99#174F99

#174F99 is a dark, vivid cyan. Relative luminance 0.081; OKLCH L 43.5% C 0.134 H 257.2°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#174F99
RGB	rgb(23, 79, 153)
HSL	hsl(214, 74%, 35%)
HSV	hsv(214, 85%, 60%)
CMYK	cmyk(85%, 48.4%, 0%, 40%)
CIE-LAB	lab(34.13, 10.93, -45.44)
CIE-LCH	lch(34.13, 46.74, 283.52°)
OKLab	oklab(43.54% -0.0296 -0.1307)
OKLCH	oklch(43.54% 0.134 257.2)
XYZ	xyz(8.8970, 8.0729, 31.2201)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F99 #996117

analogous

#179099 #174F99 #201799

triadic

#174F99 #99174F #4F9917

tetradic

#174F99 #991790 #996117 #179920

square

#174F99 #991790 #996117 #179920

split-complementary

#174F99 #992017 #909917

monochromatic

#07182F #0F3464 #174F99 #1F6ACE #478AE3

Accessibility & contrast

On white

8.03

#174F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#174F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F99

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F99	#FFFFFF	#000000	##FFFFFF
##174F99	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25569C

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#00616C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #174f99;
/* rgb */ color: rgb(23, 79, 153);
/* oklch */ color: oklch(43.5% 0.134 257.2);

Tailwind

colors: {
  custom: {
    50: '#6c7fb7',
    500: '#174f99',
    950: '#000000',
  },
}

SCSS

$custom: #174f99;
$custom-light: #6c7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#174f99",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 153
  },
  "hsl": {
    "h": 214.154,
    "s": 73.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43542,
    "c": 0.13399,
    "h": 257.2
  },
  "luminance": 0.08074
}

Semantic roles & 50–950 ramp

primary

#174F99

secondary

#C58F47

accent

#A137F1

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #174F99

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

Preview Lab → · Contrast checker → · Palette generator →