#174D8F#174D8F

#174D8F is a dark, vivid cyan. Relative luminance 0.075; OKLCH L 42.3% C 0.123 H 255.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#174D8F
RGB	rgb(23, 77, 143)
HSL	hsl(213, 72%, 33%)
HSV	hsv(213, 84%, 56%)
CMYK	cmyk(83.9%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(32.86, 8.19, -41.42)
CIE-LCH	lch(32.86, 42.22, 281.19°)
OKLab	oklab(42.34% -0.0299 -0.1189)
OKLCH	oklch(42.34% 0.123 255.9)
XYZ	xyz(7.9633, 7.4721, 27.0038)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174D8F #8F5917

analogous

#17898F #174D8F #1D178F

triadic

#174D8F #8F174D #4D8F17

tetradic

#174D8F #8F1789 #8F5917 #178F1D

square

#174D8F #8F1789 #8F5917 #178F1D

split-complementary

#174D8F #8F1D17 #898F17

monochromatic

#061426 #0F315A #174D8F #1F69C4 #4088E0

Accessibility & contrast

On white

8.42

#174D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#174D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174D8F

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174D8F	#FFFFFF	#000000	##FFFFFF
##174D8F	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5392

Deuteranopia (green-blind)

#0E488E

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174d8f;
/* rgb */ color: rgb(23, 77, 143);
/* oklch */ color: oklch(42.3% 0.123 255.9);

Tailwind

colors: {
  custom: {
    50: '#6a7eb0',
    500: '#174d8f',
    950: '#000000',
  },
}

SCSS

$custom: #174d8f;
$custom-light: #6a7eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#174d8f",
  "rgb": {
    "r": 23,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 213,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4234,
    "c": 0.12258,
    "h": 255.9
  },
  "luminance": 0.07473
}

Semantic roles & 50–950 ramp

primary

#174D8F

secondary

#C18741

accent

#9D39EF

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #174D8F

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

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