#3378BE#3378BE

#3378BE is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.129 H 251.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#3378BE
RGB	rgb(51, 120, 190)
HSL	hsl(210, 58%, 47%)
HSV	hsv(210, 73%, 75%)
CMYK	cmyk(73.2%, 36.8%, 0%, 25.5%)
CIE-LAB	lab(49.32, 2.22, -42.95)
CIE-LCH	lch(49.32, 43.00, 272.96°)
OKLab	oklab(56.29% -0.0409 -0.1222)
OKLCH	oklch(56.29% 0.129 251.5)
XYZ	xyz(17.3725, 17.8525, 51.2355)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378BE #BE7933

analogous

#33BDBE #3378BE #3433BE

triadic

#3378BE #BE3378 #78BE33

tetradic

#3378BE #BE33BD #BE7933 #33BE34

square

#3378BE #BE33BD #BE7933 #33BE34

split-complementary

#3378BE #BE3433 #BDBE33

monochromatic

#193B5E #265A8E #3378BE #5B97D3 #8BB5E0

Accessibility & contrast

On white

4.59

#3378BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#3378BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3378BE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378BE	#FFFFFF	#000000	##FFFFFF
##3378BE	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587CC1

Deuteranopia (green-blind)

#436FBD

Tritanopia (blue-blind)

#008992

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3378be;
/* rgb */ color: rgb(51, 120, 190);
/* oklch */ color: oklch(56.3% 0.129 251.5);

Tailwind

colors: {
  custom: {
    50: '#7c9ed2',
    500: '#3378be',
    950: '#000000',
  },
}

SCSS

$custom: #3378be;
$custom-light: #7c9ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#3378be",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 190
  },
  "hsl": {
    "h": 210.216,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56293,
    "c": 0.1289,
    "h": 251.5
  },
  "luminance": 0.17854
}

Semantic roles & 50–950 ramp

primary

#3378BE

secondary

#CAA783

accent

#9447E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3378BE

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

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