#2E78BB#2E78BB

#2E78BB is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.127 H 249.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#2E78BB
RGB	rgb(46, 120, 187)
HSL	hsl(209, 61%, 46%)
HSV	hsv(209, 75%, 73%)
CMYK	cmyk(75.4%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.01, 0.45, -41.72)
CIE-LCH	lch(49.01, 41.72, 270.62°)
OKLab	oklab(55.96% -0.0447 -0.1187)
OKLCH	oklch(55.96% 0.127 249.4)
XYZ	xyz(16.8094, 17.5997, 49.5152)
Luminance	0.1760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E78BB #BB712E

analogous

#2EBBB7 #2E78BB #2E31BB

triadic

#2E78BB #BB2E78 #78BB2E

tetradic

#2E78BB #B72EBB #BB712E #31BB2E

square

#2E78BB #B72EBB #BB712E #31BB2E

split-complementary

#2E78BB #BB2E31 #BBB72E

monochromatic

#163959 #22588A #2E78BB #5296D4 #83B4E0

Accessibility & contrast

On white

4.65

#2E78BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#2E78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2E78BB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E78BB	#FFFFFF	#000000	##FFFFFF
##2E78BB	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBE

Deuteranopia (green-blind)

#446FBA

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2e78bb;
/* rgb */ color: rgb(46, 120, 187);
/* oklch */ color: oklch(56.0% 0.127 249.4);

Tailwind

colors: {
  custom: {
    50: '#7a9ed0',
    500: '#2e78bb',
    950: '#000000',
  },
}

SCSS

$custom: #2e78bb;
$custom-light: #7a9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2e78bb",
  "rgb": {
    "r": 46,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 208.511,
    "s": 60.515,
    "l": 45.686
  },
  "oklch": {
    "l": 0.55956,
    "c": 0.12684,
    "h": 249.4
  },
  "luminance": 0.17602
}

Semantic roles & 50–950 ramp

primary

#2E78BB

secondary

#CAA07B

accent

#9044E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2E78BB

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

Preview Lab → · Contrast checker → · Palette generator →