#174A5F#174A5F

#174A5F is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 38.6% C 0.064 H 229.3°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#174A5F
RGB	rgb(23, 74, 95)
HSL	hsl(198, 61%, 23%)
HSV	hsv(198, 76%, 37%)
CMYK	cmyk(75.8%, 22.1%, 0%, 62.7%)
CIE-LAB	lab(29.17, -9.04, -17.22)
CIE-LCH	lch(29.17, 19.45, 242.30°)
OKLab	oklab(38.56% -0.0415 -0.0483)
OKLCH	oklch(38.56% 0.064 229.3)
XYZ	xyz(4.8669, 5.9054, 11.7076)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A5F #5F2C17

analogous

#175F50 #174A5F #17265F

triadic

#174A5F #5F174A #4A5F17

tetradic

#174A5F #50175F #5F2C17 #265F17

square

#174A5F #50175F #5F2C17 #265F17

split-complementary

#174A5F #5F1726 #5F5017

monochromatic

#061319 #0B242E #174A5F #237090 #2F97C2

Accessibility & contrast

On white

9.63

#174A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#174A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A5F

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A5F	#FFFFFF	#000000	##FFFFFF
##174A5F	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4960

Deuteranopia (green-blind)

#35425F

Tritanopia (blue-blind)

#005051

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #174a5f;
/* rgb */ color: rgb(23, 74, 95);
/* oklch */ color: oklch(38.6% 0.064 229.3);

Tailwind

colors: {
  custom: {
    50: '#5f7c8c',
    500: '#174a5f',
    950: '#000000',
  },
}

SCSS

$custom: #174a5f;
$custom-light: #5f7c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#174a5f",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 95
  },
  "hsl": {
    "h": 197.5,
    "s": 61.017,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38557,
    "c": 0.06371,
    "h": 229.3
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#174A5F

secondary

#96563C

accent

#7244E4

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #174A5F

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

Preview Lab → · Contrast checker → · Palette generator →