#174E80#174E80

#174E80 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.101 H 250.0°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#174E80
RGB	rgb(23, 78, 128)
HSL	hsl(209, 70%, 30%)
HSV	hsv(209, 82%, 50%)
CMYK	cmyk(82%, 39.1%, 0%, 49.8%)
CIE-LAB	lab(32.23, 1.41, -33.19)
CIE-LCH	lch(32.23, 33.22, 272.43°)
OKLab	oklab(41.55% -0.0344 -0.0947)
OKLCH	oklch(41.55% 0.101 250)
XYZ	xyz(6.9725, 7.1886, 21.4379)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E80 #804917

analogous

#17807D #174E80 #171A80

triadic

#174E80 #80174E #4E8017

tetradic

#174E80 #7D1780 #804917 #1A8017

square

#174E80 #7D1780 #804917 #1A8017

split-complementary

#174E80 #80171A #807D17

monochromatic

#05101A #0E2E4C #174E80 #206EB4 #368DDB

Accessibility & contrast

On white

8.61

#174E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#174E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E80

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E80	#FFFFFF	#000000	##FFFFFF
##174E80	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365182

Deuteranopia (green-blind)

#26477F

Tritanopia (blue-blind)

#005A61

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #174e80;
/* rgb */ color: rgb(23, 78, 128);
/* oklch */ color: oklch(41.5% 0.101 250.0);

Tailwind

colors: {
  custom: {
    50: '#667fa5',
    500: '#174e80',
    950: '#000000',
  },
}

SCSS

$custom: #174e80;
$custom-light: #667fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#174e80",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 128
  },
  "hsl": {
    "h": 208.571,
    "s": 69.536,
    "l": 29.608
  },
  "oklch": {
    "l": 0.4155,
    "c": 0.10073,
    "h": 250
  },
  "luminance": 0.07189
}

Semantic roles & 50–950 ramp

primary

#174E80

secondary

#B4773E

accent

#903BEC

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #174E80

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

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