#2F66D3#2F66D3

#2F66D3 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.6% C 0.178 H 262.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#2F66D3
RGB	rgb(47, 102, 211)
HSL	hsl(220, 65%, 51%)
HSV	hsv(220, 78%, 83%)
CMYK	cmyk(77.7%, 51.7%, 0%, 17.3%)
CIE-LAB	lab(45.37, 20.88, -61.32)
CIE-LCH	lch(45.37, 64.78, 288.80°)
OKLab	oklab(53.62% -0.0245 -0.1766)
OKLCH	oklch(53.62% 0.178 262.1)
XYZ	xyz(17.6773, 14.8082, 63.5420)
Luminance	0.1481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66D3 #D39C2F

analogous

#2FB8D3 #2F66D3 #4A2FD3

triadic

#2F66D3 #D32F66 #66D32F

tetradic

#2F66D3 #D32FB8 #D39C2F #2FD34A

square

#2F66D3 #D32FB8 #D39C2F #2FD34A

split-complementary

#2F66D3 #D34A2F #B8D32F

monochromatic

#183570 #224DA2 #2F66D3 #628BDE #94B0E8

Accessibility & contrast

On white

5.30

#2F66D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#2F66D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66D3

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66D3	#FFFFFF	#000000	##FFFFFF
##2F66D3	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B73D7

Deuteranopia (green-blind)

#0064D1

Tritanopia (blue-blind)

#008093

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2f66d3;
/* rgb */ color: rgb(47, 102, 211);
/* oklch */ color: oklch(53.6% 0.178 262.1);

Tailwind

colors: {
  custom: {
    50: '#8091e1',
    500: '#2f66d3',
    950: '#000000',
  },
}

SCSS

$custom: #2f66d3;
$custom-light: #8091e1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66d3",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 211
  },
  "hsl": {
    "h": 219.878,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5362,
    "c": 0.17831,
    "h": 262.1
  },
  "luminance": 0.1481
}

Semantic roles & 50–950 ramp

primary

#2F66D3

secondary

#D3BB8A

accent

#B040E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #2F66D3

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

Preview Lab → · Contrast checker → · Palette generator →