#2E78B8#2E78B8

#2E78B8 is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.123 H 248.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2E78B8
RGB	rgb(46, 120, 184)
HSL	hsl(208, 60%, 45%)
HSV	hsv(208, 75%, 72%)
CMYK	cmyk(75%, 34.8%, 0%, 27.8%)
CIE-LAB	lab(48.85, -0.65, -40.24)
CIE-LCH	lch(48.85, 40.24, 269.07°)
OKLab	oklab(55.78% -0.0455 -0.1144)
OKLCH	oklch(55.78% 0.123 248.3)
XYZ	xyz(16.4916, 17.4726, 47.8415)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E78B8 #B86E2E

analogous

#2EB8B3 #2E78B8 #2E33B8

triadic

#2E78B8 #B82E78 #78B82E

tetradic

#2E78B8 #B32EB8 #B86E2E #33B82E

square

#2E78B8 #B32EB8 #B86E2E #33B82E

split-complementary

#2E78B8 #B82E33 #B8B32E

monochromatic

#163856 #225887 #2E78B8 #5096D3 #81B4DF

Accessibility & contrast

On white

4.67

#2E78B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#2E78B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2E78B8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E78B8	#FFFFFF	#000000	##FFFFFF
##2E78B8	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7BBB

Deuteranopia (green-blind)

#476EB7

Tritanopia (blue-blind)

#00878F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2e78b8;
/* rgb */ color: rgb(46, 120, 184);
/* oklch */ color: oklch(55.8% 0.123 248.3);

Tailwind

colors: {
  custom: {
    50: '#7a9ecd',
    500: '#2e78b8',
    950: '#000000',
  },
}

SCSS

$custom: #2e78b8;
$custom-light: #7a9ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2e78b8",
  "rgb": {
    "r": 46,
    "g": 120,
    "b": 184
  },
  "hsl": {
    "h": 207.826,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55781,
    "c": 0.12309,
    "h": 248.3
  },
  "luminance": 0.17474
}

Semantic roles & 50–950 ramp

primary

#2E78B8

secondary

#C89E79

accent

#8E45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #2E78B8

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

Preview Lab → · Contrast checker → · Palette generator →