#174F74#174F74

#174F74 is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.084 H 242.3°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#174F74
RGB	rgb(23, 79, 116)
HSL	hsl(204, 67%, 27%)
HSV	hsv(204, 80%, 45%)
CMYK	cmyk(80.2%, 31.9%, 0%, 54.5%)
CIE-LAB	lab(31.88, -4.04, -26.27)
CIE-LCH	lch(31.88, 26.58, 261.25°)
OKLab	oklab(41.06% -0.039 -0.0744)
OKLCH	oklch(41.06% 0.084 242.3)
XYZ	xyz(6.3005, 7.0343, 17.5453)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F74 #743C17

analogous

#17746B #174F74 #172174

triadic

#174F74 #74174F #4F7417

tetradic

#174F74 #6B1774 #743C17 #217417

square

#174F74 #6B1774 #743C17 #217417

split-complementary

#174F74 #741721 #746B17

monochromatic

#05111A #0D2C41 #174F74 #2172A7 #3094D6

Accessibility & contrast

On white

8.72

#174F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#174F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F74

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F74	#FFFFFF	#000000	##FFFFFF
##174F74	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5076

Deuteranopia (green-blind)

#314773

Tritanopia (blue-blind)

#00585C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #174f74;
/* rgb */ color: rgb(23, 79, 116);
/* oklch */ color: oklch(41.1% 0.084 242.3);

Tailwind

colors: {
  custom: {
    50: '#63809c',
    500: '#174f74',
    950: '#000000',
  },
}

SCSS

$custom: #174f74;
$custom-light: #63809c;
$custom-dark: #000000;

JSON

{
  "hex": "#174f74",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 116
  },
  "hsl": {
    "h": 203.871,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.41057,
    "c": 0.08406,
    "h": 242.3
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#174F74

secondary

#A9683D

accent

#823EEA

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174F74

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

Preview Lab → · Contrast checker → · Palette generator →