#174A5B#174A5B

#174A5B is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.4% C 0.060 H 224.0°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#174A5B
RGB	rgb(23, 74, 91)
HSL	hsl(195, 60%, 22%)
HSV	hsv(195, 75%, 36%)
CMYK	cmyk(74.7%, 18.7%, 0%, 64.3%)
CIE-LAB	lab(28.99, -10.54, -14.94)
CIE-LCH	lch(28.99, 18.28, 234.80°)
OKLab	oklab(38.35% -0.0432 -0.0418)
OKLCH	oklch(38.35% 0.06 224)
XYZ	xyz(4.6897, 5.8345, 10.7745)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A5B #5B2817

analogous

#175B4A #174A5B #17285B

triadic

#174A5B #5B174A #4A5B17

tetradic

#174A5B #4A175B #5B2817 #285B17

square

#174A5B #4A175B #5B2817 #285B17

split-complementary

#174A5B #5B1728 #5B4A17

monochromatic

#061418 #0B222A #174A5B #23728C #3099BD

Accessibility & contrast

On white

9.69

#174A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#174A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A5B

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A5B	#FFFFFF	#000000	##FFFFFF
##174A5B	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40485C

Deuteranopia (green-blind)

#37415B

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #174a5b;
/* rgb */ color: rgb(23, 74, 91);
/* oklch */ color: oklch(38.4% 0.060 224.0);

Tailwind

colors: {
  custom: {
    50: '#5e7c89',
    500: '#174a5b',
    950: '#000000',
  },
}

SCSS

$custom: #174a5b;
$custom-light: #5e7c89;
$custom-dark: #000000;

JSON

{
  "hex": "#174a5b",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 91
  },
  "hsl": {
    "h": 195,
    "s": 59.649,
    "l": 22.353
  },
  "oklch": {
    "l": 0.38352,
    "c": 0.06012,
    "h": 224
  },
  "luminance": 0.05835
}

Semantic roles & 50–950 ramp

primary

#174A5B

secondary

#92513C

accent

#6C45E3

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174A5B

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

Preview Lab → · Contrast checker → · Palette generator →