#3378C4#3378C4

#3378C4 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.137 H 253.2°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3378C4
RGB	rgb(51, 120, 196)
HSL	hsl(211, 59%, 48%)
HSV	hsv(211, 74%, 77%)
CMYK	cmyk(74%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.64, 4.42, -45.87)
CIE-LCH	lch(49.64, 46.09, 275.50°)
OKLab	oklab(56.65% -0.0394 -0.1308)
OKLCH	oklch(56.65% 0.137 253.2)
XYZ	xyz(18.0418, 18.1202, 54.7605)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378C4 #C47F33

analogous

#33C0C4 #3378C4 #3633C4

triadic

#3378C4 #C43378 #78C433

tetradic

#3378C4 #C433C0 #C47F33 #33C436

square

#3378C4 #C433C0 #C47F33 #33C436

split-complementary

#3378C4 #C43633 #C0C433

monochromatic

#1A3D63 #265A93 #3378C4 #5F97D5 #8FB7E2

Accessibility & contrast

On white

4.54

#3378C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3378C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378C4

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378C4	#FFFFFF	#000000	##000000
##3378C4	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547DC7

Deuteranopia (green-blind)

#3E70C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3378c4;
/* rgb */ color: rgb(51, 120, 196);
/* oklch */ color: oklch(56.7% 0.137 253.2);

Tailwind

colors: {
  custom: {
    50: '#7e9ed6',
    500: '#3378c4',
    950: '#000000',
  },
}

SCSS

$custom: #3378c4;
$custom-light: #7e9ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3378c4",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 211.448,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56653,
    "c": 0.13664,
    "h": 253.2
  },
  "luminance": 0.18122
}

Semantic roles & 50–950 ramp

primary

#3378C4

secondary

#CDAB86

accent

#9846E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3378C4

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

Preview Lab → · Contrast checker → · Palette generator →