#2F66BB#2F66BB

#2F66BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.9% C 0.146 H 259.0°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#2F66BB
RGB	rgb(47, 102, 187)
HSL	hsl(216, 60%, 46%)
HSV	hsv(216, 75%, 73%)
CMYK	cmyk(74.9%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(43.79, 11.82, -50.04)
CIE-LCH	lch(43.79, 51.41, 283.30°)
OKLab	oklab(51.9% -0.0279 -0.1434)
OKLCH	oklch(51.9% 0.146 259)
XYZ	xyz(14.8900, 13.6933, 48.8624)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66BB #BB842F

analogous

#2FACBB #2F66BB #3E2FBB

triadic

#2F66BB #BB2F66 #66BB2F

tetradic

#2F66BB #BB2FAC #BB842F #2FBB3E

square

#2F66BB #BB2FAC #BB842F #2FBB3E

split-complementary

#2F66BB #BB3E2F #ACBB2F

monochromatic

#163159 #234B8A #2F66BB #5386D4 #84A8E0

Accessibility & contrast

On white

5.62

#2F66BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#2F66BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66BB

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66BB	#FFFFFF	#000000	##FFFFFF
##2F66BB	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#1C62B9

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2f66bb;
/* rgb */ color: rgb(47, 102, 187);
/* oklch */ color: oklch(51.9% 0.146 259.0);

Tailwind

colors: {
  custom: {
    50: '#7b91d0',
    500: '#2f66bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f66bb;
$custom-light: #7b91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66bb",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 216.429,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51903,
    "c": 0.1461,
    "h": 259
  },
  "luminance": 0.13695
}

Semantic roles & 50–950 ramp

primary

#2F66BB

secondary

#C9AB7C

accent

#A545E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F66BB

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

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