#3378CA#3378CA

#3378CA is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.144 H 254.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3378CA
RGB	rgb(51, 120, 202)
HSL	hsl(213, 60%, 50%)
HSV	hsv(213, 75%, 79%)
CMYK	cmyk(74.8%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(49.98, 6.62, -48.77)
CIE-LCH	lch(49.98, 49.22, 277.73°)
OKLab	oklab(57.02% -0.038 -0.1393)
OKLCH	oklch(57.02% 0.144 254.7)
XYZ	xyz(18.7384, 18.3989, 58.4294)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378CA #CA8533

analogous

#33C4CA #3378CA #3A33CA

triadic

#3378CA #CA3378 #78CA33

tetradic

#3378CA #CA33C4 #CA8533 #33CA3A

square

#3378CA #CA33C4 #CA8533 #33CA3A

split-complementary

#3378CA #CA3A33 #C4CA33

monochromatic

#1A3E68 #275B99 #3378CA #6398D8 #94B8E4

Accessibility & contrast

On white

4.49

#3378CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3378CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378CA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378CA	#FFFFFF	#000000	##000000
##3378CA	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517ECD

Deuteranopia (green-blind)

#3871C8

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3378ca;
/* rgb */ color: rgb(51, 120, 202);
/* oklch */ color: oklch(57.0% 0.144 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9eda',
    500: '#3378ca',
    950: '#000000',
  },
}

SCSS

$custom: #3378ca;
$custom-light: #7f9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#3378ca",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 212.583,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57022,
    "c": 0.14442,
    "h": 254.7
  },
  "luminance": 0.18401
}

Semantic roles & 50–950 ramp

primary

#3378CA

secondary

#CFAF8A

accent

#9B45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3378CA

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

Preview Lab → · Contrast checker → · Palette generator →