#174D5A#174D5A

#174D5A is a dark, muted cyan. Relative luminance 0.062; OKLCH L 39.1% C 0.059 H 217.0°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#174D5A
RGB	rgb(23, 77, 90)
HSL	hsl(192, 59%, 22%)
HSV	hsv(192, 74%, 35%)
CMYK	cmyk(74.4%, 14.4%, 0%, 64.7%)
CIE-LAB	lab(29.98, -12.71, -12.78)
CIE-LCH	lch(29.98, 18.02, 225.16°)
OKLab	oklab(39.13% -0.0472 -0.0356)
OKLCH	oklch(39.13% 0.059 217)
XYZ	xyz(4.8519, 6.2276, 10.6172)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D5A #5A2417

analogous

#175A46 #174D5A #172C5A

triadic

#174D5A #5A174D #4D5A17

tetradic

#174D5A #46175A #5A2417 #2C5A17

square

#174D5A #46175A #5A2417 #2C5A17

split-complementary

#174D5A #5A172C #5A4617

monochromatic

#061518 #0B2329 #174D5A #23778B #30A0BB

Accessibility & contrast

On white

9.35

#174D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#174D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D5A

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D5A	#FFFFFF	#000000	##FFFFFF
##174D5A	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5B

Deuteranopia (green-blind)

#3B445A

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174d5a;
/* rgb */ color: rgb(23, 77, 90);
/* oklch */ color: oklch(39.1% 0.059 217.0);

Tailwind

colors: {
  custom: {
    50: '#5f7f88',
    500: '#174d5a',
    950: '#000000',
  },
}

SCSS

$custom: #174d5a;
$custom-light: #5f7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#174d5a",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 90
  },
  "hsl": {
    "h": 191.642,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.39131,
    "c": 0.05912,
    "h": 217
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#174D5A

secondary

#914C3C

accent

#6445E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174D5A

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

Preview Lab → · Contrast checker → · Palette generator →