#2B64B5#2B64B5

#2B64B5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 50.9% C 0.142 H 257.8°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B64B5
RGB	rgb(43, 100, 181)
HSL	hsl(215, 62%, 44%)
HSV	hsv(215, 76%, 71%)
CMYK	cmyk(76.2%, 44.8%, 0%, 29%)
CIE-LAB	lab(42.71, 10.32, -48.28)
CIE-LCH	lch(42.71, 49.37, 282.07°)
OKLab	oklab(50.91% -0.03 -0.1383)
OKLCH	oklch(50.91% 0.142 257.8)
XYZ	xyz(13.8909, 12.9625, 45.4770)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B64B5 #B57C2B

analogous

#2BA9B5 #2B64B5 #372BB5

triadic

#2B64B5 #B52B64 #64B52B

tetradic

#2B64B5 #B52BA9 #B57C2B #2BB537

square

#2B64B5 #B52BA9 #B57C2B #2BB537

split-complementary

#2B64B5 #B5372B #A9B52B

monochromatic

#142D52 #1F4984 #2B64B5 #4983D4 #7BA4E0

Accessibility & contrast

On white

5.85

#2B64B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2B64B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64B5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B64B5	#FFFFFF	#000000	##FFFFFF
##2B64B5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6CB8

Deuteranopia (green-blind)

#1E5FB3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b64b5;
/* rgb */ color: rgb(43, 100, 181);
/* oklch */ color: oklch(50.9% 0.142 257.8);

Tailwind

colors: {
  custom: {
    50: '#788fcc',
    500: '#2b64b5',
    950: '#000000',
  },
}

SCSS

$custom: #2b64b5;
$custom-light: #788fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b64b5",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 215.217,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50909,
    "c": 0.14155,
    "h": 257.8
  },
  "luminance": 0.12964
}

Semantic roles & 50–950 ramp

primary

#2B64B5

secondary

#C8A574

accent

#A243E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B64B5

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

Preview Lab → · Contrast checker → · Palette generator →