#174F5C#174F5C

#174F5C is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 39.8% C 0.060 H 216.4°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#174F5C
RGB	rgb(23, 79, 92)
HSL	hsl(191, 60%, 23%)
HSV	hsv(191, 75%, 36%)
CMYK	cmyk(75%, 14.1%, 0%, 63.9%)
CIE-LAB	lab(30.75, -13.17, -12.88)
CIE-LCH	lch(30.75, 18.42, 224.36°)
OKLab	oklab(39.78% -0.0486 -0.0359)
OKLCH	oklch(39.78% 0.06 216.4)
XYZ	xyz(5.0803, 6.5463, 11.1189)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F5C #5C2417

analogous

#175C46 #174F5C #172D5C

triadic

#174F5C #5C174F #4F5C17

tetradic

#174F5C #46175C #5C2417 #2D5C17

square

#174F5C #46175C #5C2417 #2D5C17

split-complementary

#174F5C #5C172D #5C4617

monochromatic

#061518 #0B252B #174F5C #23798D #2FA3BE

Accessibility & contrast

On white

9.09

#174F5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#174F5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F5C

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F5C	#FFFFFF	#000000	##FFFFFF
##174F5C	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464C5D

Deuteranopia (green-blind)

#3D455C

Tritanopia (blue-blind)

#005453

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #174f5c;
/* rgb */ color: rgb(23, 79, 92);
/* oklch */ color: oklch(39.8% 0.060 216.4);

Tailwind

colors: {
  custom: {
    50: '#5f808a',
    500: '#174f5c',
    950: '#000000',
  },
}

SCSS

$custom: #174f5c;
$custom-light: #5f808a;
$custom-dark: #000000;

JSON

{
  "hex": "#174f5c",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 92
  },
  "hsl": {
    "h": 191.304,
    "s": 60,
    "l": 22.549
  },
  "oklch": {
    "l": 0.39778,
    "c": 0.06042,
    "h": 216.4
  },
  "luminance": 0.06547
}

Semantic roles & 50–950 ramp

primary

#174F5C

secondary

#934C3C

accent

#6345E3

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174F5C

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

Preview Lab → · Contrast checker → · Palette generator →