#3378D0#3378D0

#3378D0 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.4% C 0.152 H 256.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3378D0
RGB	rgb(51, 120, 208)
HSL	hsl(214, 63%, 51%)
HSV	hsv(214, 75%, 82%)
CMYK	cmyk(75.5%, 42.3%, 0%, 18.4%)
CIE-LAB	lab(50.32, 8.84, -51.64)
CIE-LCH	lch(50.32, 52.39, 279.72°)
OKLab	oklab(57.4% -0.0368 -0.1477)
OKLCH	oklch(57.4% 0.152 256)
XYZ	xyz(19.4627, 18.6886, 62.2438)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378D0 #D08B33

analogous

#33C6D0 #3378D0 #3C33D0

triadic

#3378D0 #D03378 #78D033

tetradic

#3378D0 #D033C6 #D08B33 #33D03C

square

#3378D0 #D033C6 #D08B33 #33D03C

split-complementary

#3378D0 #D03C33 #C6D033

monochromatic

#1A3F6F #255BA1 #3378D0 #6599DB #96BAE7

Accessibility & contrast

On white

4.43

#3378D0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#3378D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378D0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378D0	#FFFFFF	#000000	##000000
##3378D0	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D80D3

Deuteranopia (green-blind)

#3071CE

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3378d0;
/* rgb */ color: rgb(51, 120, 208);
/* oklch */ color: oklch(57.4% 0.152 256.0);

Tailwind

colors: {
  custom: {
    50: '#809edf',
    500: '#3378d0',
    950: '#000000',
  },
}

SCSS

$custom: #3378d0;
$custom-light: #809edf;
$custom-dark: #000000;

JSON

{
  "hex": "#3378d0",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 208
  },
  "hsl": {
    "h": 213.631,
    "s": 62.55,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57402,
    "c": 0.15226,
    "h": 256
  },
  "luminance": 0.18691
}

Semantic roles & 50–950 ramp

primary

#3378D0

secondary

#D2B48D

accent

#9E42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3378D0

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

Preview Lab → · Contrast checker → · Palette generator →