#2E78BC#2E78BC

#2E78BC is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.128 H 249.7°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#2E78BC
RGB	rgb(46, 120, 188)
HSL	hsl(209, 61%, 46%)
HSV	hsv(209, 76%, 74%)
CMYK	cmyk(75.5%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(49.06, 0.82, -42.21)
CIE-LCH	lch(49.06, 42.22, 271.12°)
OKLab	oklab(56.01% -0.0445 -0.1201)
OKLCH	oklch(56.01% 0.128 249.7)
XYZ	xyz(16.9168, 17.6427, 50.0810)
Luminance	0.1764 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E78BC #BC722E

analogous

#2EBCB9 #2E78BC #2E31BC

triadic

#2E78BC #BC2E78 #78BC2E

tetradic

#2E78BC #B92EBC #BC722E #31BC2E

square

#2E78BC #B92EBC #BC722E #31BC2E

split-complementary

#2E78BC #BC2E31 #BCB92E

monochromatic

#16395A #22598B #2E78BC #5296D5 #84B4E1

Accessibility & contrast

On white

4.64

#2E78BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#2E78BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2E78BC

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E78BC	#FFFFFF	#000000	##FFFFFF
##2E78BC	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBF

Deuteranopia (green-blind)

#446FBB

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2e78bc;
/* rgb */ color: rgb(46, 120, 188);
/* oklch */ color: oklch(56.0% 0.128 249.7);

Tailwind

colors: {
  custom: {
    50: '#7a9ed0',
    500: '#2e78bc',
    950: '#000000',
  },
}

SCSS

$custom: #2e78bc;
$custom-light: #7a9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2e78bc",
  "rgb": {
    "r": 46,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 208.732,
    "s": 60.684,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56014,
    "c": 0.1281,
    "h": 249.7
  },
  "luminance": 0.17645
}

Semantic roles & 50–950 ramp

primary

#2E78BC

secondary

#CAA17C

accent

#9144E4

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2E78BC

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

Preview Lab → · Contrast checker → · Palette generator →