#174D5B#174D5B

#174D5B is a dark, muted cyan. Relative luminance 0.062; OKLCH L 39.2% C 0.060 H 218.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#174D5B
RGB	rgb(23, 77, 91)
HSL	hsl(192, 60%, 22%)
HSV	hsv(192, 75%, 36%)
CMYK	cmyk(74.7%, 15.4%, 0%, 64.3%)
CIE-LAB	lab(30.02, -12.35, -13.36)
CIE-LCH	lch(30.02, 18.19, 227.25°)
OKLab	oklab(39.18% -0.0467 -0.0372)
OKLCH	oklch(39.18% 0.06 218.6)
XYZ	xyz(4.8948, 6.2447, 10.8429)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D5B #5B2517

analogous

#175B47 #174D5B #172B5B

triadic

#174D5B #5B174D #4D5B17

tetradic

#174D5B #47175B #5B2517 #2B5B17

square

#174D5B #47175B #5B2517 #2B5B17

split-complementary

#174D5B #5B172B #5B4717

monochromatic

#061518 #0B242A #174D5B #23768C #30A0BD

Accessibility & contrast

On white

9.34

#174D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#174D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D5B

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D5B	#FFFFFF	#000000	##FFFFFF
##174D5B	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5C

Deuteranopia (green-blind)

#3B445B

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174d5b;
/* rgb */ color: rgb(23, 77, 91);
/* oklch */ color: oklch(39.2% 0.060 218.6);

Tailwind

colors: {
  custom: {
    50: '#5f7f89',
    500: '#174d5b',
    950: '#000000',
  },
}

SCSS

$custom: #174d5b;
$custom-light: #5f7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#174d5b",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 91
  },
  "hsl": {
    "h": 192.353,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.39179,
    "c": 0.05977,
    "h": 218.6
  },
  "luminance": 0.06245
}

Semantic roles & 50–950 ramp

primary

#174D5B

secondary

#924E3C

accent

#6545E3

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174D5B

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

Preview Lab → · Contrast checker → · Palette generator →