#174E73#174E73

#174E73 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.7% C 0.084 H 242.7°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#174E73
RGB	rgb(23, 78, 115)
HSL	hsl(204, 67%, 27%)
HSV	hsv(204, 80%, 45%)
CMYK	cmyk(80%, 32.2%, 0%, 54.9%)
CIE-LAB	lab(31.50, -3.80, -26.25)
CIE-LCH	lch(31.50, 26.52, 261.76°)
OKLab	oklab(40.74% -0.0384 -0.0744)
OKLCH	oklch(40.74% 0.084 242.7)
XYZ	xyz(6.1710, 6.8680, 17.2168)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E73 #733C17

analogous

#17736A #174E73 #172073

triadic

#174E73 #73174E #4E7317

tetradic

#174E73 #6A1773 #733C17 #207317

square

#174E73 #6A1773 #733C17 #207317

split-complementary

#174E73 #731720 #736A17

monochromatic

#05111A #0D2B40 #174E73 #2171A6 #2F92D5

Accessibility & contrast

On white

8.85

#174E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#174E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E73

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E73	#FFFFFF	#000000	##FFFFFF
##174E73	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F75

Deuteranopia (green-blind)

#304672

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174e73;
/* rgb */ color: rgb(23, 78, 115);
/* oklch */ color: oklch(40.7% 0.084 242.7);

Tailwind

colors: {
  custom: {
    50: '#637f9b',
    500: '#174e73',
    950: '#000000',
  },
}

SCSS

$custom: #174e73;
$custom-light: #637f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#174e73",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 115
  },
  "hsl": {
    "h": 204.13,
    "s": 66.667,
    "l": 27.059
  },
  "oklch": {
    "l": 0.40739,
    "c": 0.08368,
    "h": 242.7
  },
  "luminance": 0.06869
}

Semantic roles & 50–950 ramp

primary

#174E73

secondary

#A9683D

accent

#833EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174E73

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

Preview Lab → · Contrast checker → · Palette generator →