#174B59#174B59

#174B59 is a dark, muted cyan. Relative luminance 0.059; OKLCH L 38.5% C 0.058 H 219.2°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#174B59
RGB	rgb(23, 75, 89)
HSL	hsl(193, 59%, 22%)
HSV	hsv(193, 74%, 35%)
CMYK	cmyk(74.2%, 15.7%, 0%, 65.1%)
CIE-LAB	lab(29.25, -11.88, -13.26)
CIE-LCH	lch(29.25, 17.80, 228.14°)
OKLab	oklab(38.53% -0.0453 -0.037)
OKLCH	oklch(38.53% 0.058 219.2)
XYZ	xyz(4.6719, 5.9351, 10.3486)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174B59 #592517

analogous

#175946 #174B59 #172A59

triadic

#174B59 #59174B #4B5917

tetradic

#174B59 #461759 #592517 #2A5917

square

#174B59 #461759 #592517 #2A5917

split-complementary

#174B59 #59172A #594617

monochromatic

#061418 #0A2228 #174B59 #24748A #309DBA

Accessibility & contrast

On white

9.60

#174B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#174B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174B59

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174B59	#FFFFFF	#000000	##FFFFFF
##174B59	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42495A

Deuteranopia (green-blind)

#394259

Tritanopia (blue-blind)

#00504F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #174b59;
/* rgb */ color: rgb(23, 75, 89);
/* oklch */ color: oklch(38.5% 0.058 219.2);

Tailwind

colors: {
  custom: {
    50: '#5e7d88',
    500: '#174b59',
    950: '#000000',
  },
}

SCSS

$custom: #174b59;
$custom-light: #5e7d88;
$custom-dark: #000000;

JSON

{
  "hex": "#174b59",
  "rgb": {
    "r": 23,
    "g": 75,
    "b": 89
  },
  "hsl": {
    "h": 192.727,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.38529,
    "c": 0.05848,
    "h": 219.2
  },
  "luminance": 0.05936
}

Semantic roles & 50–950 ramp

primary

#174B59

secondary

#904E3C

accent

#6746E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #174B59

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

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