#2B63D3#2B63D3

#2B63D3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.9% C 0.183 H 262.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#2B63D3
RGB	rgb(43, 99, 211)
HSL	hsl(220, 66%, 50%)
HSV	hsv(220, 80%, 83%)
CMYK	cmyk(79.6%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(44.43, 22.40, -62.85)
CIE-LCH	lch(44.43, 66.72, 289.62°)
OKLab	oklab(52.87% -0.0249 -0.1812)
OKLCH	oklch(52.87% 0.183 262.2)
XYZ	xyz(17.2117, 14.1384, 63.4372)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63D3 #D39B2B

analogous

#2BB7D3 #2B63D3 #472BD3

triadic

#2B63D3 #D32B63 #63D32B

tetradic

#2B63D3 #D32BB7 #D39B2B #2BD347

square

#2B63D3 #D32BB7 #D39B2B #2BD347

split-complementary

#2B63D3 #D3472B #B7D32B

monochromatic

#16336D #214BA0 #2B63D3 #5D88DE #90ADE8

Accessibility & contrast

On white

5.49

#2B63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#2B63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63D3

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63D3	#FFFFFF	#000000	##FFFFFF
##2B63D3	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0571D7

Deuteranopia (green-blind)

#0062D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #2b63d3;
/* rgb */ color: rgb(43, 99, 211);
/* oklch */ color: oklch(52.9% 0.183 262.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ee1',
    500: '#2b63d3',
    950: '#000000',
  },
}

SCSS

$custom: #2b63d3;
$custom-light: #7f8ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63d3",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 220,
    "s": 66.142,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52869,
    "c": 0.18294,
    "h": 262.2
  },
  "luminance": 0.1414
}

Semantic roles & 50–950 ramp

primary

#2B63D3

secondary

#D3BA87

accent

#B03FE9

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #2B63D3

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

Preview Lab → · Contrast checker → · Palette generator →