#174A57#174A57

#174A57 is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.2% C 0.057 H 218.0°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#174A57
RGB	rgb(23, 74, 87)
HSL	hsl(192, 58%, 22%)
HSV	hsv(192, 74%, 34%)
CMYK	cmyk(73.6%, 14.9%, 0%, 65.9%)
CIE-LAB	lab(28.82, -12.01, -12.63)
CIE-LCH	lch(28.82, 17.43, 226.45°)
OKLab	oklab(38.16% -0.045 -0.0352)
OKLCH	oklch(38.16% 0.057 218)
XYZ	xyz(4.5217, 5.7673, 9.8899)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174A57 #572417

analogous

#175744 #174A57 #172A57

triadic

#174A57 #57174A #4A5717

tetradic

#174A57 #441757 #572417 #2A5717

square

#174A57 #441757 #572417 #2A5717

split-complementary

#174A57 #57172A #574417

monochromatic

#061518 #0A2127 #174A57 #247387 #319CB8

Accessibility & contrast

On white

9.75

#174A57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#174A57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174A57

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174A57	#FFFFFF	#000000	##FFFFFF
##174A57	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424858

Deuteranopia (green-blind)

#394157

Tritanopia (blue-blind)

#004E4E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #174a57;
/* rgb */ color: rgb(23, 74, 87);
/* oklch */ color: oklch(38.2% 0.057 218.0);

Tailwind

colors: {
  custom: {
    50: '#5e7c86',
    500: '#174a57',
    950: '#000000',
  },
}

SCSS

$custom: #174a57;
$custom-light: #5e7c86;
$custom-dark: #000000;

JSON

{
  "hex": "#174a57",
  "rgb": {
    "r": 23,
    "g": 74,
    "b": 87
  },
  "hsl": {
    "h": 192.188,
    "s": 58.182,
    "l": 21.569
  },
  "oklch": {
    "l": 0.38156,
    "c": 0.05716,
    "h": 218
  },
  "luminance": 0.05768
}

Semantic roles & 50–950 ramp

primary

#174A57

secondary

#8E4D3C

accent

#6646E1

background

#F5F7F8

surface

#E9EEEF

border

#C5C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174A57

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

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