#174B63#174B63

#174B63 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.0% C 0.067 H 232.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#174B63
RGB	rgb(23, 75, 99)
HSL	hsl(199, 62%, 24%)
HSV	hsv(199, 77%, 39%)
CMYK	cmyk(76.8%, 24.2%, 0%, 61.2%)
CIE-LAB	lab(29.70, -8.14, -18.96)
CIE-LCH	lch(29.70, 20.63, 246.76°)
OKLab	oklab(39.04% -0.0411 -0.0533)
OKLCH	oklch(39.04% 0.067 232.4)
XYZ	xyz(5.1207, 6.1146, 12.7123)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B63 #632F17

analogous

#176355 #174B63 #172563

triadic

#174B63 #63174B #4B6317

tetradic

#174B63 #551763 #632F17 #256317

square

#174B63 #551763 #632F17 #256317

split-complementary

#174B63 #631725 #635517

monochromatic

#061319 #0B2531 #174B63 #237195 #2E96C6

Accessibility & contrast

On white

9.45

#174B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#174B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B63

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B63	#FFFFFF	#000000	##FFFFFF
##174B63	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4A64

Deuteranopia (green-blind)

#354363

Tritanopia (blue-blind)

#005153

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #174b63;
/* rgb */ color: rgb(23, 75, 99);
/* oklch */ color: oklch(39.0% 0.067 232.4);

Tailwind

colors: {
  custom: {
    50: '#607d8f',
    500: '#174b63',
    950: '#000000',
  },
}

SCSS

$custom: #174b63;
$custom-light: #607d8f;
$custom-dark: #000000;

JSON

{
  "hex": "#174b63",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 99
  },
  "hsl": {
    "h": 198.947,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3904,
    "c": 0.06726,
    "h": 232.4
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary

#174B63

secondary

#9A5A3C

accent

#7642E5

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #174B63

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

Preview Lab → · Contrast checker → · Palette generator →