#174A5A#174A5A

#174A5A is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.059 H 222.6°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#174A5A
RGB	rgb(23, 74, 90)
HSL	hsl(194, 59%, 22%)
HSV	hsv(194, 74%, 35%)
CMYK	cmyk(74.4%, 17.8%, 0%, 64.7%)
CIE-LAB	lab(28.95, -10.91, -14.36)
CIE-LCH	lch(28.95, 18.04, 232.78°)
OKLab	oklab(38.3% -0.0437 -0.0401)
OKLCH	oklch(38.3% 0.059 222.6)
XYZ	xyz(4.6468, 5.8174, 10.5488)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A5A #5A2717

analogous

#175A49 #174A5A #17295A

triadic

#174A5A #5A174A #4A5A17

tetradic

#174A5A #49175A #5A2717 #295A17

square

#174A5A #49175A #5A2717 #295A17

split-complementary

#174A5A #5A1729 #5A4917

monochromatic

#061418 #0B2229 #174A5A #23728B #309ABB

Accessibility & contrast

On white

9.71

#174A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#174A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A5A

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A5A	#FFFFFF	#000000	##FFFFFF
##174A5A	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41485B

Deuteranopia (green-blind)

#37415A

Tritanopia (blue-blind)

#004F4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #174a5a;
/* rgb */ color: rgb(23, 74, 90);
/* oklch */ color: oklch(38.3% 0.059 222.6);

Tailwind

colors: {
  custom: {
    50: '#5e7c88',
    500: '#174a5a',
    950: '#000000',
  },
}

SCSS

$custom: #174a5a;
$custom-light: #5e7c88;
$custom-dark: #000000;

JSON

{
  "hex": "#174a5a",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 90
  },
  "hsl": {
    "h": 194.328,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.38302,
    "c": 0.05932,
    "h": 222.6
  },
  "luminance": 0.05818
}

Semantic roles & 50–950 ramp

primary

#174A5A

secondary

#91503C

accent

#6B45E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174A5A

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

Preview Lab → · Contrast checker → · Palette generator →