#2F78BB#2F78BB

#2F78BB is a mid, vivid cyan. Relative luminance 0.176; OKLCH L 56.0% C 0.127 H 249.6°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F78BB
RGB	rgb(47, 120, 187)
HSL	hsl(209, 60%, 46%)
HSV	hsv(209, 75%, 73%)
CMYK	cmyk(74.9%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(49.04, 0.58, -41.67)
CIE-LCH	lch(49.04, 41.68, 270.80°)
OKLab	oklab(55.99% -0.0441 -0.1185)
OKLCH	oklch(55.99% 0.127 249.6)
XYZ	xyz(16.8550, 17.6232, 49.5174)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F78BB #BB722F

analogous

#2FBBB8 #2F78BB #2F32BB

triadic

#2F78BB #BB2F78 #78BB2F

tetradic

#2F78BB #B82FBB #BB722F #32BB2F

square

#2F78BB #B82FBB #BB722F #32BB2F

split-complementary

#2F78BB #BB2F32 #BBB82F

monochromatic

#163959 #23598A #2F78BB #5396D4 #84B4E0

Accessibility & contrast

On white

4.64

#2F78BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#2F78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #2F78BB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F78BB	#FFFFFF	#000000	##FFFFFF
##2F78BB	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#597CBE

Deuteranopia (green-blind)

#456FBA

Tritanopia (blue-blind)

#008890

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f78bb;
/* rgb */ color: rgb(47, 120, 187);
/* oklch */ color: oklch(56.0% 0.127 249.6);

Tailwind

colors: {
  custom: {
    50: '#7a9ed0',
    500: '#2f78bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f78bb;
$custom-light: #7a9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f78bb",
  "rgb": {
    "r": 47,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 208.714,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.55987,
    "c": 0.1265,
    "h": 249.6
  },
  "luminance": 0.17625
}

Semantic roles & 50–950 ramp

primary

#2F78BB

secondary

#C9A17C

accent

#9145E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #2F78BB

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

Preview Lab → · Contrast checker → · Palette generator →