#2780C4#2780C4

#2780C4 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.133 H 246.4°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#2780C4
RGB	rgb(39, 128, 196)
HSL	hsl(206, 67%, 46%)
HSV	hsv(206, 80%, 77%)
CMYK	cmyk(80.1%, 34.7%, 0%, 23.1%)
CIE-LAB	lab(51.67, -1.83, -42.68)
CIE-LCH	lch(51.67, 42.71, 267.54°)
OKLab	oklab(58.15% -0.053 -0.1214)
OKLCH	oklch(58.15% 0.133 246.4)
XYZ	xyz(18.5158, 19.8529, 55.0700)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2780C4 #C46B27

analogous

#27C4B9 #2780C4 #2731C4

triadic

#2780C4 #C42780 #80C427

tetradic

#2780C4 #B927C4 #C46B27 #31C427

square

#2780C4 #B927C4 #C46B27 #31C427

split-complementary

#2780C4 #C42731 #C4B927

monochromatic

#133D5E #1D5F91 #2780C4 #4D9EDC #80BAE6

Accessibility & contrast

On white

4.22

#2780C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#2780C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780C4

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2780C4	#FFFFFF	#000000	##000000
##2780C4	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C7

Deuteranopia (green-blind)

#4975C3

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #2780c4;
/* rgb */ color: rgb(39, 128, 196);
/* oklch */ color: oklch(58.2% 0.133 246.4);

Tailwind

colors: {
  custom: {
    50: '#7aa4d6',
    500: '#2780c4',
    950: '#000000',
  },
}

SCSS

$custom: #2780c4;
$custom-light: #7aa4d6;
$custom-dark: #000000;

JSON

{
  "hex": "#2780c4",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 196
  },
  "hsl": {
    "h": 205.987,
    "s": 66.809,
    "l": 46.078
  },
  "oklch": {
    "l": 0.58153,
    "c": 0.13251,
    "h": 246.4
  },
  "luminance": 0.19855
}

Semantic roles & 50–950 ramp

primary

#2780C4

secondary

#CE9E79

accent

#883EEA

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #2780C4

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

Preview Lab → · Contrast checker → · Palette generator →