#2B64BC#2B64BC

#2B64BC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.4% C 0.151 H 259.0°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B64BC
RGB	rgb(43, 100, 188)
HSL	hsl(216, 63%, 45%)
HSV	hsv(216, 77%, 74%)
CMYK	cmyk(77.1%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.15, 13.00, -51.65)
CIE-LCH	lch(43.15, 53.26, 284.12°)
OKLab	oklab(51.39% -0.0287 -0.1483)
OKLCH	oklch(51.39% 0.151 259)
XYZ	xyz(14.6272, 13.2571, 49.3552)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B64BC #BC832B

analogous

#2BACBC #2B64BC #3A2BBC

triadic

#2B64BC #BC2B64 #64BC2B

tetradic

#2B64BC #BC2BAC #BC832B #2BBC3A

square

#2B64BC #BC2BAC #BC832B #2BBC3A

split-complementary

#2B64BC #BC3A2B #ACBC2B

monochromatic

#142F58 #204A8A #2B64BC #4E83D6 #80A6E2

Accessibility & contrast

On white

5.75

#2B64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#2B64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64BC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B64BC	#FFFFFF	#000000	##FFFFFF
##2B64BC	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346DBF

Deuteranopia (green-blind)

#0D60BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2b64bc;
/* rgb */ color: rgb(43, 100, 188);
/* oklch */ color: oklch(51.4% 0.151 259.0);

Tailwind

colors: {
  custom: {
    50: '#798fd1',
    500: '#2b64bc',
    950: '#000000',
  },
}

SCSS

$custom: #2b64bc;
$custom-light: #798fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b64bc",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 216.414,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51391,
    "c": 0.15102,
    "h": 259
  },
  "luminance": 0.13259
}

Semantic roles & 50–950 ramp

primary

#2B64BC

secondary

#CBAA78

accent

#A542E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B64BC

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

Preview Lab → · Contrast checker → · Palette generator →