#174E71#174E71

#174E71 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.6% C 0.081 H 241.3°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#174E71
RGB	rgb(23, 78, 113)
HSL	hsl(203, 66%, 27%)
HSV	hsv(203, 80%, 44%)
CMYK	cmyk(79.6%, 31%, 0%, 55.7%)
CIE-LAB	lab(31.40, -4.59, -25.16)
CIE-LCH	lch(31.40, 25.57, 259.66°)
OKLab	oklab(40.62% -0.039 -0.0712)
OKLCH	oklch(40.62% 0.081 241.3)
XYZ	xyz(6.0572, 6.8225, 16.6172)
Luminance	0.0682 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E71 #713A17

analogous

#177167 #174E71 #172171

triadic

#174E71 #71174E #4E7117

tetradic

#174E71 #671771 #713A17 #217117

square

#174E71 #671771 #713A17 #217117

split-complementary

#174E71 #711721 #716717

monochromatic

#051219 #0D2B3E #174E71 #2171A4 #2E94D4

Accessibility & contrast

On white

8.88

#174E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#174E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E71

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E71	#FFFFFF	#000000	##FFFFFF
##174E71	1.00	8.88	2.36	8.88
#FFFFFF	8.88	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4F73

Deuteranopia (green-blind)

#314670

Tritanopia (blue-blind)

#00575A

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #174e71;
/* rgb */ color: rgb(23, 78, 113);
/* oklch */ color: oklch(40.6% 0.081 241.3);

Tailwind

colors: {
  custom: {
    50: '#637f9a',
    500: '#174e71',
    950: '#000000',
  },
}

SCSS

$custom: #174e71;
$custom-light: #637f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#174e71",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 113
  },
  "hsl": {
    "h": 203.333,
    "s": 66.176,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40621,
    "c": 0.08121,
    "h": 241.3
  },
  "luminance": 0.06823
}

Semantic roles & 50–950 ramp

primary

#174E71

secondary

#A7663D

accent

#813FE9

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #174E71

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

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