#2B78BA#2B78BA

#2B78BA is a mid, vivid cyan. Relative luminance 0.175; OKLCH L 55.8% C 0.127 H 248.4°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B78BA
RGB	rgb(43, 120, 186)
HSL	hsl(208, 62%, 45%)
HSV	hsv(208, 77%, 73%)
CMYK	cmyk(76.9%, 35.5%, 0%, 27.1%)
CIE-LAB	lab(48.87, -0.29, -41.36)
CIE-LCH	lch(48.87, 41.36, 269.60°)
OKLab	oklab(55.81% -0.0466 -0.1177)
OKLCH	oklch(55.81% 0.127 248.4)
XYZ	xyz(16.5723, 17.4898, 48.9473)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B78BA #BA6D2B

analogous

#2BBAB4 #2B78BA #2B31BA

triadic

#2B78BA #BA2B78 #78BA2B

tetradic

#2B78BA #B42BBA #BA6D2B #31BA2B

square

#2B78BA #B42BBA #BA6D2B #31BA2B

split-complementary

#2B78BA #BA2B31 #BAB42B

monochromatic

#143857 #205888 #2B78BA #4C96D6 #7EB4E1

Accessibility & contrast

On white

4.67

#2B78BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#2B78BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2B78BA

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B78BA	#FFFFFF	#000000	##FFFFFF
##2B78BA	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597BBD

Deuteranopia (green-blind)

#446EB9

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2b78ba;
/* rgb */ color: rgb(43, 120, 186);
/* oklch */ color: oklch(55.8% 0.127 248.4);

Tailwind

colors: {
  custom: {
    50: '#799ecf',
    500: '#2b78ba',
    950: '#000000',
  },
}

SCSS

$custom: #2b78ba;
$custom-light: #799ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b78ba",
  "rgb": {
    "r": 43,
    "g": 120,
    "b": 186
  },
  "hsl": {
    "h": 207.692,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55808,
    "c": 0.1266,
    "h": 248.4
  },
  "luminance": 0.17492
}

Semantic roles & 50–950 ramp

primary

#2B78BA

secondary

#CA9D77

accent

#8E42E6

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2B78BA

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

Preview Lab → · Contrast checker → · Palette generator →