#3378BA#3378BA

#3378BA is a mid, vivid cyan. Relative luminance 0.177; OKLCH L 56.1% C 0.124 H 250.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3378BA
RGB	rgb(51, 120, 186)
HSL	hsl(209, 57%, 46%)
HSV	hsv(209, 73%, 73%)
CMYK	cmyk(72.6%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(49.11, 0.76, -40.98)
CIE-LCH	lch(49.11, 40.98, 271.06°)
OKLab	oklab(56.06% -0.042 -0.1165)
OKLCH	oklch(56.06% 0.124 250.2)
XYZ	xyz(16.9413, 17.6800, 48.9646)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378BA #BA7533

analogous

#33BAB9 #3378BA #3335BA

triadic

#3378BA #BA3378 #78BA33

tetradic

#3378BA #B933BA #BA7533 #35BA33

square

#3378BA #B933BA #BA7533 #35BA33

split-complementary

#3378BA #BA3335 #BAB933

monochromatic

#193A5A #26598A #3378BA #5996D1 #89B5DF

Accessibility & contrast

On white

4.63

#3378BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3378BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3378BA

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378BA	#FFFFFF	#000000	##FFFFFF
##3378BA	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBD

Deuteranopia (green-blind)

#466FB9

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3378ba;
/* rgb */ color: rgb(51, 120, 186);
/* oklch */ color: oklch(56.1% 0.124 250.2);

Tailwind

colors: {
  custom: {
    50: '#7c9ecf',
    500: '#3378ba',
    950: '#000000',
  },
}

SCSS

$custom: #3378ba;
$custom-light: #7c9ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3378ba",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 209.333,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56059,
    "c": 0.12381,
    "h": 250.2
  },
  "luminance": 0.17682
}

Semantic roles & 50–950 ramp

primary

#3378BA

secondary

#C9A480

accent

#9248E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3378BA

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

Preview Lab → · Contrast checker → · Palette generator →