#3380CC#3380CC

#3380CC is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.9% C 0.139 H 251.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3380CC
RGB	rgb(51, 128, 204)
HSL	hsl(210, 60%, 50%)
HSV	hsv(210, 75%, 80%)
CMYK	cmyk(75%, 37.3%, 0%, 20%)
CIE-LAB	lab(52.40, 2.48, -46.06)
CIE-LCH	lch(52.40, 46.13, 273.08°)
OKLab	oklab(58.95% -0.0447 -0.1312)
OKLCH	oklch(58.95% 0.139 251.2)
XYZ	xyz(19.9794, 20.4995, 60.0188)
Luminance	0.2050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3380CC #CC7F33

analogous

#33CCCC #3380CC #3333CC

triadic

#3380CC #CC3380 #80CC33

tetradic

#3380CC #CC33CC #CC7F33 #33CC33

square

#3380CC #CC33CC #CC7F33 #33CC33

split-complementary

#3380CC #CC3333 #CCCC33

monochromatic

#1B436A #27619B #3380CC #649ED8 #95BDE4

Accessibility & contrast

On white

4.12

#3380CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#3380CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380CC

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3380CC	#FFFFFF	#000000	##000000
##3380CC	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D85CF

Deuteranopia (green-blind)

#4577CB

Tritanopia (blue-blind)

#00929C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3380cc;
/* rgb */ color: rgb(51, 128, 204);
/* oklch */ color: oklch(58.9% 0.139 251.2);

Tailwind

colors: {
  custom: {
    50: '#7fa4dc',
    500: '#3380cc',
    950: '#000000',
  },
}

SCSS

$custom: #3380cc;
$custom-light: #7fa4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3380cc",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 209.804,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.58948,
    "c": 0.13864,
    "h": 251.2
  },
  "luminance": 0.20502
}

Semantic roles & 50–950 ramp

primary

#3380CC

secondary

#D0AD8B

accent

#9345E3

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3380CC

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

Preview Lab → · Contrast checker → · Palette generator →