#2B64B7#2B64B7

#2B64B7 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.144 H 258.2°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2B64B7
RGB	rgb(43, 100, 183)
HSL	hsl(216, 62%, 44%)
HSV	hsv(216, 77%, 72%)
CMYK	cmyk(76.5%, 45.4%, 0%, 28.2%)
CIE-LAB	lab(42.83, 11.09, -49.25)
CIE-LCH	lch(42.83, 50.48, 282.69°)
OKLab	oklab(51.04% -0.0296 -0.1412)
OKLCH	oklch(51.04% 0.144 258.2)
XYZ	xyz(14.0975, 13.0452, 46.5656)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B64B7 #B77E2B

analogous

#2BAAB7 #2B64B7 #382BB7

triadic

#2B64B7 #B72B64 #64B72B

tetradic

#2B64B7 #B72BAA #B77E2B #2BB738

square

#2B64B7 #B72BAA #B77E2B #2BB738

split-complementary

#2B64B7 #B7382B #AAB72B

monochromatic

#142E54 #1F4985 #2B64B7 #4B83D5 #7CA5E0

Accessibility & contrast

On white

5.82

#2B64B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2B64B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64B7

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B64B7	#FFFFFF	#000000	##FFFFFF
##2B64B7	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396CBA

Deuteranopia (green-blind)

#1A5FB5

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b64b7;
/* rgb */ color: rgb(43, 100, 183);
/* oklch */ color: oklch(51.0% 0.144 258.2);

Tailwind

colors: {
  custom: {
    50: '#788fcd',
    500: '#2b64b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b64b7;
$custom-light: #788fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b64b7",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 183
  },
  "hsl": {
    "h": 215.571,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51045,
    "c": 0.14426,
    "h": 258.2
  },
  "luminance": 0.13047
}

Semantic roles & 50–950 ramp

primary

#2B64B7

secondary

#C9A775

accent

#A343E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B64B7

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

Preview Lab → · Contrast checker → · Palette generator →