#3378D2#3378D2

#3378D2 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.155 H 256.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3378D2
RGB	rgb(51, 120, 210)
HSL	hsl(214, 64%, 51%)
HSV	hsv(214, 76%, 82%)
CMYK	cmyk(75.7%, 42.9%, 0%, 17.6%)
CIE-LAB	lab(50.44, 9.58, -52.59)
CIE-LCH	lch(50.44, 53.46, 280.33°)
OKLab	oklab(57.53% -0.0364 -0.1505)
OKLCH	oklch(57.53% 0.155 256.4)
XYZ	xyz(19.7103, 18.7876, 63.5478)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378D2 #D28D33

analogous

#33C7D2 #3378D2 #3D33D2

triadic

#3378D2 #D23378 #78D233

tetradic

#3378D2 #D233C7 #D28D33 #33D23D

square

#3378D2 #D233C7 #D28D33 #33D23D

split-complementary

#3378D2 #D23D33 #C7D233

monochromatic

#193F72 #245BA4 #3378D2 #6599DD #97BAE8

Accessibility & contrast

On white

4.41

#3378D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#3378D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378D2

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378D2	#FFFFFF	#000000	##000000
##3378D2	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B80D5

Deuteranopia (green-blind)

#2E71D0

Tritanopia (blue-blind)

#008D9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3378d2;
/* rgb */ color: rgb(51, 120, 210);
/* oklch */ color: oklch(57.5% 0.155 256.4);

Tailwind

colors: {
  custom: {
    50: '#809ee0',
    500: '#3378d2',
    950: '#000000',
  },
}

SCSS

$custom: #3378d2;
$custom-light: #809ee0;
$custom-dark: #000000;

JSON

{
  "hex": "#3378d2",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 210
  },
  "hsl": {
    "h": 213.962,
    "s": 63.855,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5753,
    "c": 0.15487,
    "h": 256.4
  },
  "luminance": 0.1879
}

Semantic roles & 50–950 ramp

primary

#3378D2

secondary

#D4B58D

accent

#9F41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3378D2

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

Preview Lab → · Contrast checker → · Palette generator →