#3178AE#3178AE

#3178AE is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.3% C 0.110 H 244.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3178AE
RGB	rgb(49, 120, 174)
HSL	hsl(206, 56%, 44%)
HSV	hsv(206, 72%, 68%)
CMYK	cmyk(71.8%, 31%, 0%, 31.8%)
CIE-LAB	lab(48.44, -3.87, -35.09)
CIE-LCH	lch(48.44, 35.30, 263.71°)
OKLab	oklab(55.32% -0.0467 -0.0993)
OKLCH	oklch(55.32% 0.11 244.8)
XYZ	xyz(15.6202, 17.1402, 42.5214)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3178AE #AE6731

analogous

#31AEA5 #3178AE #3139AE

triadic

#3178AE #AE3178 #78AE31

tetradic

#3178AE #A531AE #AE6731 #39AE31

square

#3178AE #A531AE #AE6731 #39AE31

split-complementary

#3178AE #AE3139 #AEA531

monochromatic

#16364E #24577E #3178AE #4F97CD #7FB3DB

Accessibility & contrast

On white

4.74

#3178AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3178AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3178AE

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3178AE	#FFFFFF	#000000	##FFFFFF
##3178AE	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7AB0

Deuteranopia (green-blind)

#4E6EAD

Tritanopia (blue-blind)

#00858B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3178ae;
/* rgb */ color: rgb(49, 120, 174);
/* oklch */ color: oklch(55.3% 0.110 244.8);

Tailwind

colors: {
  custom: {
    50: '#799ec6',
    500: '#3178ae',
    950: '#000000',
  },
}

SCSS

$custom: #3178ae;
$custom-light: #799ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3178ae",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 174
  },
  "hsl": {
    "h": 205.92,
    "s": 56.054,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55316,
    "c": 0.10976,
    "h": 244.8
  },
  "luminance": 0.17142
}

Semantic roles & 50–950 ramp

primary

#3178AE

secondary

#C49877

accent

#8A48DF

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #3178AE

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

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