#174E8F#174E8F

#174E8F is a dark, vivid cyan. Relative luminance 0.076; OKLCH L 42.6% C 0.121 H 255.3°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#174E8F
RGB	rgb(23, 78, 143)
HSL	hsl(213, 72%, 33%)
HSV	hsv(213, 84%, 56%)
CMYK	cmyk(83.9%, 45.5%, 0%, 43.9%)
CIE-LAB	lab(33.16, 7.52, -40.93)
CIE-LCH	lch(33.16, 41.61, 280.41°)
OKLab	oklab(42.58% -0.0307 -0.1174)
OKLCH	oklch(42.58% 0.121 255.3)
XYZ	xyz(8.0338, 7.6131, 27.0273)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E8F #8F5817

analogous

#178A8F #174E8F #1C178F

triadic

#174E8F #8F174E #4E8F17

tetradic

#174E8F #8F178A #8F5817 #178F1C

square

#174E8F #8F178A #8F5817 #178F1C

split-complementary

#174E8F #8F1C17 #8A8F17

monochromatic

#061426 #0F315A #174E8F #1F6BC4 #408AE0

Accessibility & contrast

On white

8.32

#174E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#174E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E8F

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E8F	#FFFFFF	#000000	##FFFFFF
##174E8F	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5491

Deuteranopia (green-blind)

#12498E

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #174e8f;
/* rgb */ color: rgb(23, 78, 143);
/* oklch */ color: oklch(42.6% 0.121 255.3);

Tailwind

colors: {
  custom: {
    50: '#6a7fb0',
    500: '#174e8f',
    950: '#000000',
  },
}

SCSS

$custom: #174e8f;
$custom-light: #6a7fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#174e8f",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 143
  },
  "hsl": {
    "h": 212.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42577,
    "c": 0.12136,
    "h": 255.3
  },
  "luminance": 0.07614
}

Semantic roles & 50–950 ramp

primary

#174E8F

secondary

#C18641

accent

#9B39EF

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #174E8F

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

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