#174E5A#174E5A

#174E5A is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.4% C 0.059 H 215.2°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#174E5A
RGB	rgb(23, 78, 90)
HSL	hsl(191, 59%, 22%)
HSV	hsv(191, 74%, 35%)
CMYK	cmyk(74.4%, 13.3%, 0%, 64.7%)
CIE-LAB	lab(30.32, -13.30, -12.25)
CIE-LCH	lch(30.32, 18.08, 222.66°)
OKLab	oklab(39.41% -0.0484 -0.0341)
OKLCH	oklch(39.41% 0.059 215.2)
XYZ	xyz(4.9224, 6.3686, 10.6407)
Luminance	0.0637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E5A #5A2317

analogous

#175A45 #174E5A #172D5A

triadic

#174E5A #5A174E #4E5A17

tetradic

#174E5A #45175A #5A2317 #2D5A17

square

#174E5A #45175A #5A2317 #2D5A17

split-complementary

#174E5A #5A172D #5A4517

monochromatic

#061518 #0B2429 #174E5A #23788B #30A2BB

Accessibility & contrast

On white

9.24

#174E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#174E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E5A

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E5A	#FFFFFF	#000000	##FFFFFF
##174E5A	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B5B

Deuteranopia (green-blind)

#3C445A

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174e5a;
/* rgb */ color: rgb(23, 78, 90);
/* oklch */ color: oklch(39.4% 0.059 215.2);

Tailwind

colors: {
  custom: {
    50: '#5f7f88',
    500: '#174e5a',
    950: '#000000',
  },
}

SCSS

$custom: #174e5a;
$custom-light: #5f7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#174e5a",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 90
  },
  "hsl": {
    "h": 190.746,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.39408,
    "c": 0.05918,
    "h": 215.2
  },
  "luminance": 0.06369
}

Semantic roles & 50–950 ramp

primary

#174E5A

secondary

#914B3C

accent

#6145E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174E5A

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

Preview Lab → · Contrast checker → · Palette generator →