#3378C8#3378C8

#3378C8 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.9% C 0.142 H 254.2°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3378C8
RGB	rgb(51, 120, 200)
HSL	hsl(212, 59%, 49%)
HSV	hsv(212, 75%, 78%)
CMYK	cmyk(74.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(49.86, 5.89, -47.81)
CIE-LCH	lch(49.86, 48.17, 277.02°)
OKLab	oklab(56.9% -0.0385 -0.1365)
OKLCH	oklch(56.9% 0.142 254.2)
XYZ	xyz(18.5032, 18.3048, 57.1904)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378C8 #C88333

analogous

#33C3C8 #3378C8 #3933C8

triadic

#3378C8 #C83378 #78C833

tetradic

#3378C8 #C833C3 #C88333 #33C839

square

#3378C8 #C833C3 #C88333 #33C839

split-complementary

#3378C8 #C83933 #C3C833

monochromatic

#1A3D66 #275B97 #3378C8 #6198D7 #92B8E3

Accessibility & contrast

On white

4.51

#3378C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3378C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378C8

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378C8	#FFFFFF	#000000	##000000
##3378C8	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527ECB

Deuteranopia (green-blind)

#3A70C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3378c8;
/* rgb */ color: rgb(51, 120, 200);
/* oklch */ color: oklch(56.9% 0.142 254.2);

Tailwind

colors: {
  custom: {
    50: '#7e9ed9',
    500: '#3378c8',
    950: '#000000',
  },
}

SCSS

$custom: #3378c8;
$custom-light: #7e9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3378c8",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 212.215,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56898,
    "c": 0.14183,
    "h": 254.2
  },
  "luminance": 0.18307
}

Semantic roles & 50–950 ramp

primary

#3378C8

secondary

#CEAE89

accent

#9A45E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3378C8

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

Preview Lab → · Contrast checker → · Palette generator →