#174F5E#174F5E

#174F5E is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 39.9% C 0.062 H 219.4°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#174F5E
RGB	rgb(23, 79, 94)
HSL	hsl(193, 61%, 23%)
HSV	hsv(193, 76%, 37%)
CMYK	cmyk(75.5%, 16%, 0%, 63.1%)
CIE-LAB	lab(30.84, -12.44, -14.02)
CIE-LCH	lch(30.84, 18.75, 228.42°)
OKLab	oklab(39.87% -0.0477 -0.0391)
OKLCH	oklch(39.87% 0.062 219.4)
XYZ	xyz(5.1689, 6.5817, 11.5855)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F5E #5E2617

analogous

#175E49 #174F5E #172B5E

triadic

#174F5E #5E174F #4F5E17

tetradic

#174F5E #49175E #5E2617 #2B5E17

square

#174F5E #49175E #5E2617 #2B5E17

split-complementary

#174F5E #5E172B #5E4917

monochromatic

#061519 #0B262D #174F5E #23788F #2FA2C0

Accessibility & contrast

On white

9.07

#174F5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#174F5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F5E

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F5E	#FFFFFF	#000000	##FFFFFF
##174F5E	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464D5F

Deuteranopia (green-blind)

#3C455E

Tritanopia (blue-blind)

#005454

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #174f5e;
/* rgb */ color: rgb(23, 79, 94);
/* oklch */ color: oklch(39.9% 0.062 219.4);

Tailwind

colors: {
  custom: {
    50: '#5f808b',
    500: '#174f5e',
    950: '#000000',
  },
}

SCSS

$custom: #174f5e;
$custom-light: #5f808b;
$custom-dark: #000000;

JSON

{
  "hex": "#174f5e",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 94
  },
  "hsl": {
    "h": 192.676,
    "s": 60.684,
    "l": 22.941
  },
  "oklch": {
    "l": 0.39874,
    "c": 0.0617,
    "h": 219.4
  },
  "luminance": 0.06582
}

Semantic roles & 50–950 ramp

primary

#174F5E

secondary

#954F3C

accent

#6644E4

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0C

muted

#797C7D

Preview Lab

Preview with #174F5E

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

Preview Lab → · Contrast checker → · Palette generator →