#2B78C2#2B78C2

#2B78C2 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.137 H 251.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#2B78C2
RGB	rgb(43, 120, 194)
HSL	hsl(209, 64%, 46%)
HSV	hsv(209, 78%, 76%)
CMYK	cmyk(77.8%, 38.1%, 0%, 23.9%)
CIE-LAB	lab(49.30, 2.69, -45.28)
CIE-LCH	lch(49.30, 45.36, 273.40°)
OKLab	oklab(56.29% -0.0445 -0.1292)
OKLCH	oklch(56.29% 0.137 251)
XYZ	xyz(17.4467, 17.8395, 53.5523)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78C2 #C2752B

analogous

#2BC2C1 #2B78C2 #2B2DC2

triadic

#2B78C2 #C22B78 #78C22B

tetradic

#2B78C2 #C12BC2 #C2752B #2DC22B

square

#2B78C2 #C12BC2 #C2752B #2DC22B

split-complementary

#2B78C2 #C22B2D #C2C12B

monochromatic

#153A5E #205990 #2B78C2 #5296D9 #84B5E4

Accessibility & contrast

On white

4.60

#2B78C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#2B78C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78C2

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78C2	#FFFFFF	#000000	##FFFFFF
##2B78C2	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#557DC5

Deuteranopia (green-blind)

#3E6FC1

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #2b78c2;
/* rgb */ color: rgb(43, 120, 194);
/* oklch */ color: oklch(56.3% 0.137 251.0);

Tailwind

colors: {
  custom: {
    50: '#7a9ed5',
    500: '#2b78c2',
    950: '#000000',
  },
}

SCSS

$custom: #2b78c2;
$custom-light: #7a9ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78c2",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 194
  },
  "hsl": {
    "h": 209.404,
    "s": 63.713,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56285,
    "c": 0.13663,
    "h": 251
  },
  "luminance": 0.17842
}

Semantic roles & 50–950 ramp

primary

#2B78C2

secondary

#CDA47C

accent

#9241E7

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2B78C2

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

Preview Lab → · Contrast checker → · Palette generator →