#2E78D4#2E78D4

#2E78D4 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.5% C 0.159 H 255.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#2E78D4
RGB	rgb(46, 120, 212)
HSL	hsl(213, 66%, 51%)
HSV	hsv(213, 78%, 83%)
CMYK	cmyk(78.3%, 43.4%, 0%, 16.9%)
CIE-LAB	lab(50.41, 9.76, -53.78)
CIE-LCH	lch(50.41, 54.66, 280.29°)
OKLab	oklab(57.51% -0.0389 -0.1541)
OKLCH	oklch(57.51% 0.159 255.8)
XYZ	xyz(19.7224, 18.7649, 64.8571)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E78D4 #D48A2E

analogous

#2ECBD4 #2E78D4 #372ED4

triadic

#2E78D4 #D42E78 #78D42E

tetradic

#2E78D4 #D42ECB #D48A2E #2ED437

square

#2E78D4 #D42ECB #D48A2E #2ED437

split-complementary

#2E78D4 #D4372E #CBD42E

monochromatic

#173F70 #225BA3 #2E78D4 #6199DE #94BAE9

Accessibility & contrast

On white

4.42

#2E78D4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#2E78D4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2E78D4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E78D4	#FFFFFF	#000000	##000000
##2E78D4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4980D8

Deuteranopia (green-blind)

#2871D2

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #2e78d4;
/* rgb */ color: rgb(46, 120, 212);
/* oklch */ color: oklch(57.5% 0.159 255.8);

Tailwind

colors: {
  custom: {
    50: '#7f9ee2',
    500: '#2e78d4',
    950: '#000000',
  },
}

SCSS

$custom: #2e78d4;
$custom-light: #7f9ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#2e78d4",
  "rgb": {
    "r": 46,
    "g": 120,
    "b": 212
  },
  "hsl": {
    "h": 213.253,
    "s": 65.873,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57507,
    "c": 0.15892,
    "h": 255.8
  },
  "luminance": 0.18767
}

Semantic roles & 50–950 ramp

primary

#2E78D4

secondary

#D4B38A

accent

#9D3FE9

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #2E78D4

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

Preview Lab → · Contrast checker → · Palette generator →