#174E59#174E59

#174E59 is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.4% C 0.059 H 213.7°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#174E59
RGB	rgb(23, 78, 89)
HSL	hsl(190, 59%, 22%)
HSV	hsv(190, 74%, 35%)
CMYK	cmyk(74.2%, 12.4%, 0%, 65.1%)
CIE-LAB	lab(30.28, -13.66, -11.68)
CIE-LCH	lch(30.28, 17.97, 220.53°)
OKLab	oklab(39.36% -0.0488 -0.0325)
OKLCH	oklch(39.36% 0.059 213.7)
XYZ	xyz(4.8802, 6.3517, 10.4181)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E59 #592217

analogous

#175943 #174E59 #172D59

triadic

#174E59 #59174E #4E5917

tetradic

#174E59 #431759 #592217 #2D5917

square

#174E59 #431759 #592217 #2D5917

split-complementary

#174E59 #59172D #594317

monochromatic

#061518 #0A2328 #174E59 #24798A #30A3BA

Accessibility & contrast

On white

9.25

#174E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#174E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E59

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E59	#FFFFFF	#000000	##FFFFFF
##174E59	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B5A

Deuteranopia (green-blind)

#3D4459

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #174e59;
/* rgb */ color: rgb(23, 78, 89);
/* oklch */ color: oklch(39.4% 0.059 213.7);

Tailwind

colors: {
  custom: {
    50: '#5e7f87',
    500: '#174e59',
    950: '#000000',
  },
}

SCSS

$custom: #174e59;
$custom-light: #5e7f87;
$custom-dark: #000000;

JSON

{
  "hex": "#174e59",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 89
  },
  "hsl": {
    "h": 190,
    "s": 58.929,
    "l": 21.961
  },
  "oklch": {
    "l": 0.39361,
    "c": 0.05865,
    "h": 213.7
  },
  "luminance": 0.06352
}

Semantic roles & 50–950 ramp

primary

#174E59

secondary

#904A3C

accent

#6046E2

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #174E59

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

Preview Lab → · Contrast checker → · Palette generator →