#174858#174858

#174858 is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.058 H 223.4°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#174858
RGB	rgb(23, 72, 88)
HSL	hsl(195, 59%, 22%)
HSV	hsv(195, 74%, 35%)
CMYK	cmyk(73.9%, 18.2%, 0%, 65.5%)
CIE-LAB	lab(28.17, -10.43, -14.27)
CIE-LCH	lch(28.17, 17.67, 233.83°)
OKLab	oklab(37.65% -0.0422 -0.0399)
OKLCH	oklch(37.65% 0.058 223.4)
XYZ	xyz(4.4314, 5.5210, 10.0627)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174858 #582717

analogous

#175848 #174858 #172858

triadic

#174858 #581748 #485817

tetradic

#174858 #481758 #582717 #285817

square

#174858 #481758 #582717 #285817

split-complementary

#174858 #581728 #584817

monochromatic

#061418 #0A2027 #174858 #247089 #3097B9

Accessibility & contrast

On white

9.98

#174858 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#174858 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174858

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174858	#FFFFFF	#000000	##FFFFFF
##174858	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4659

Deuteranopia (green-blind)

#364058

Tritanopia (blue-blind)

#004D4D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #174858;
/* rgb */ color: rgb(23, 72, 88);
/* oklch */ color: oklch(37.7% 0.058 223.4);

Tailwind

colors: {
  custom: {
    50: '#5e7b87',
    500: '#174858',
    950: '#000000',
  },
}

SCSS

$custom: #174858;
$custom-light: #5e7b87;
$custom-dark: #000000;

JSON

{
  "hex": "#174858",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 88
  },
  "hsl": {
    "h": 194.769,
    "s": 58.559,
    "l": 21.765
  },
  "oklch": {
    "l": 0.37651,
    "c": 0.05806,
    "h": 223.4
  },
  "luminance": 0.05521
}

Semantic roles & 50–950 ramp

primary

#174858

secondary

#8F503C

accent

#6C46E2

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174858

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

Preview Lab → · Contrast checker → · Palette generator →