#174559#174559

#174559 is a dark, muted cyan. Relative luminance 0.052; OKLCH L 36.9% C 0.060 H 230.3°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#174559
RGB	rgb(23, 69, 89)
HSL	hsl(198, 59%, 22%)
HSV	hsv(198, 74%, 35%)
CMYK	cmyk(74.2%, 22.5%, 0%, 65.1%)
CIE-LAB	lab(27.18, -8.20, -16.44)
CIE-LCH	lch(27.18, 18.37, 243.49°)
OKLab	oklab(36.88% -0.0383 -0.0461)
OKLCH	oklch(36.88% 0.06 230.3)
XYZ	xyz(4.2839, 5.1592, 10.2193)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174559 #592B17

analogous

#17594C #174559 #172459

triadic

#174559 #591745 #455917

tetradic

#174559 #4C1759 #592B17 #245917

square

#174559 #4C1759 #592B17 #245917

split-complementary

#174559 #591724 #594C17

monochromatic

#061318 #0A1F28 #174559 #246B8A #3090BA

Accessibility & contrast

On white

10.33

#174559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#174559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174559

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174559	#FFFFFF	#000000	##FFFFFF
##174559	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B445A

Deuteranopia (green-blind)

#323D59

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #174559;
/* rgb */ color: rgb(23, 69, 89);
/* oklch */ color: oklch(36.9% 0.060 230.3);

Tailwind

colors: {
  custom: {
    50: '#5e7888',
    500: '#174559',
    950: '#000000',
  },
}

SCSS

$custom: #174559;
$custom-light: #5e7888;
$custom-dark: #000000;

JSON

{
  "hex": "#174559",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 89
  },
  "hsl": {
    "h": 198.182,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.36877,
    "c": 0.05989,
    "h": 230.3
  },
  "luminance": 0.0516
}

Semantic roles & 50–950 ramp

primary

#174559

secondary

#90553C

accent

#7546E2

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174559

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

Preview Lab → · Contrast checker → · Palette generator →