#3378C5#3378C5

#3378C5 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.138 H 253.5°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3378C5
RGB	rgb(51, 120, 197)
HSL	hsl(212, 59%, 49%)
HSV	hsv(212, 74%, 77%)
CMYK	cmyk(74.1%, 39.1%, 0%, 22.7%)
CIE-LAB	lab(49.70, 4.78, -46.36)
CIE-LCH	lch(49.70, 46.61, 275.89°)
OKLab	oklab(56.71% -0.0392 -0.1322)
OKLCH	oklch(56.71% 0.138 253.5)
XYZ	xyz(18.1560, 18.1659, 55.3620)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3378C5 #C58033

analogous

#33C1C5 #3378C5 #3733C5

triadic

#3378C5 #C53378 #78C533

tetradic

#3378C5 #C533C1 #C58033 #33C537

square

#3378C5 #C533C1 #C58033 #33C537

split-complementary

#3378C5 #C53733 #C1C533

monochromatic

#1A3D64 #265A94 #3378C5 #5F97D6 #90B7E2

Accessibility & contrast

On white

4.53

#3378C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3378C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3378C5

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3378C5	#FFFFFF	#000000	##000000
##3378C5	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547EC8

Deuteranopia (green-blind)

#3D70C3

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3378c5;
/* rgb */ color: rgb(51, 120, 197);
/* oklch */ color: oklch(56.7% 0.138 253.5);

Tailwind

colors: {
  custom: {
    50: '#7e9ed7',
    500: '#3378c5',
    950: '#000000',
  },
}

SCSS

$custom: #3378c5;
$custom-light: #7e9ed7;
$custom-dark: #000000;

JSON

{
  "hex": "#3378c5",
  "rgb": {
    "r": 51,
    "g": 120,
    "b": 197
  },
  "hsl": {
    "h": 211.644,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56714,
    "c": 0.13793,
    "h": 253.5
  },
  "luminance": 0.18168
}

Semantic roles & 50–950 ramp

primary

#3378C5

secondary

#CDAC87

accent

#9846E2

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3378C5

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

Preview Lab → · Contrast checker → · Palette generator →