#3378C7#3378C7

#3378C7 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.141 H 254.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3378C7
RGB	rgb(51, 120, 199)
HSL	hsl(212, 59%, 49%)
HSV	hsv(212, 74%, 78%)
CMYK	cmyk(74.4%, 39.7%, 0%, 22%)
CIE-LAB	lab(49.81, 5.52, -47.33)
CIE-LCH	lch(49.81, 47.65, 276.65°)
OKLab	oklab(56.84% -0.0387 -0.1351)
OKLCH	oklch(56.84% 0.141 254)
XYZ	xyz(18.3867, 18.2582, 56.5769)
Luminance	0.1826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378C7 #C78233

analogous

#33C2C7 #3378C7 #3833C7

triadic

#3378C7 #C73378 #78C733

tetradic

#3378C7 #C733C2 #C78233 #33C738

square

#3378C7 #C733C2 #C78233 #33C738

split-complementary

#3378C7 #C73833 #C2C733

monochromatic

#1A3D66 #275B96 #3378C7 #6198D6 #91B7E3

Accessibility & contrast

On white

4.51

#3378C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3378C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378C7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378C7	#FFFFFF	#000000	##000000
##3378C7	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)

#537ECA

Deuteranopia (green-blind)

#3B70C5

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3378c7;
/* rgb */ color: rgb(51, 120, 199);
/* oklch */ color: oklch(56.8% 0.141 254.0);

Tailwind

colors: {
  custom: {
    50: '#7e9ed8',
    500: '#3378c7',
    950: '#000000',
  },
}

SCSS

$custom: #3378c7;
$custom-light: #7e9ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3378c7",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 199
  },
  "hsl": {
    "h": 212.027,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56836,
    "c": 0.14053,
    "h": 254
  },
  "luminance": 0.1826
}

Semantic roles & 50–950 ramp

primary

#3378C7

secondary

#CEAD88

accent

#9945E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3378C7

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

Preview Lab → · Contrast checker → · Palette generator →