#3178C8#3178C8

#3178C8 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.142 H 253.8°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3178C8
RGB	rgb(49, 120, 200)
HSL	hsl(212, 61%, 49%)
HSV	hsv(212, 76%, 78%)
CMYK	cmyk(75.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(49.80, 5.63, -47.91)
CIE-LCH	lch(49.80, 48.24, 276.71°)
OKLab	oklab(56.83% -0.0397 -0.1368)
OKLCH	oklch(56.83% 0.142 253.8)
XYZ	xyz(18.4045, 18.2539, 57.1858)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3178C8 #C88131

analogous

#31C4C8 #3178C8 #3531C8

triadic

#3178C8 #C83178 #78C831

tetradic

#3178C8 #C831C4 #C88131 #31C835

square

#3178C8 #C831C4 #C88131 #31C835

split-complementary

#3178C8 #C83531 #C4C831

monochromatic

#193D66 #255B97 #3178C8 #5F97D8 #90B7E4

Accessibility & contrast

On white

4.51

#3178C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3178C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3178C8

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3178C8	#FFFFFF	#000000	##000000
##3178C8	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527ECB

Deuteranopia (green-blind)

#3970C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3178c8;
/* rgb */ color: rgb(49, 120, 200);
/* oklch */ color: oklch(56.8% 0.142 253.8);

Tailwind

colors: {
  custom: {
    50: '#7e9ed9',
    500: '#3178c8',
    950: '#000000',
  },
}

SCSS

$custom: #3178c8;
$custom-light: #7e9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3178c8",
  "rgb": {
    "r": 49,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 211.788,
    "s": 60.643,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56833,
    "c": 0.14247,
    "h": 253.8
  },
  "luminance": 0.18256
}

Semantic roles & 50–950 ramp

primary

#3178C8

secondary

#CEAD86

accent

#9944E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3178C8

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

Preview Lab → · Contrast checker → · Palette generator →