#2B78C9#2B78C9

#2B78C9 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.146 H 252.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#2B78C9
RGB	rgb(43, 120, 201)
HSL	hsl(211, 65%, 48%)
HSV	hsv(211, 79%, 79%)
CMYK	cmyk(78.6%, 40.3%, 0%, 21.2%)
CIE-LAB	lab(49.69, 5.31, -48.67)
CIE-LCH	lch(49.69, 48.96, 276.23°)
OKLab	oklab(56.72% -0.0429 -0.1391)
OKLCH	oklch(56.72% 0.146 252.9)
XYZ	xyz(18.2514, 18.1614, 57.7906)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78C9 #C97C2B

analogous

#2BC7C9 #2B78C9 #2D2BC9

triadic

#2B78C9 #C92B78 #78C92B

tetradic

#2B78C9 #C92BC7 #C97C2B #2BC92D

square

#2B78C9 #C92BC7 #C97C2B #2BC92D

split-complementary

#2B78C9 #C92D2B #C7C92B

monochromatic

#153C64 #205A97 #2B78C9 #5697DB #89B6E6

Accessibility & contrast

On white

4.53

#2B78C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#2B78C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B78C9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78C9	#FFFFFF	#000000	##000000
##2B78C9	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#517ECC

Deuteranopia (green-blind)

#3670C7

Tritanopia (blue-blind)

#008B97

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #2b78c9;
/* rgb */ color: rgb(43, 120, 201);
/* oklch */ color: oklch(56.7% 0.146 252.9);

Tailwind

colors: {
  custom: {
    50: '#7c9eda',
    500: '#2b78c9',
    950: '#000000',
  },
}

SCSS

$custom: #2b78c9;
$custom-light: #7c9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78c9",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 201
  },
  "hsl": {
    "h": 210.759,
    "s": 64.754,
    "l": 47.843
  },
  "oklch": {
    "l": 0.56717,
    "c": 0.14556,
    "h": 252.9
  },
  "luminance": 0.18164
}

Semantic roles & 50–950 ramp

primary

#2B78C9

secondary

#CFA980

accent

#9640E8

background

#F8F9FD

surface

#EFF2FB

border

#CACCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #2B78C9

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

Preview Lab → · Contrast checker → · Palette generator →