#2B64B8#2B64B8

#2B64B8 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.146 H 258.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B64B8
RGB	rgb(43, 100, 184)
HSL	hsl(216, 62%, 45%)
HSV	hsv(216, 77%, 72%)
CMYK	cmyk(76.6%, 45.7%, 0%, 27.8%)
CIE-LAB	lab(42.89, 11.47, -49.73)
CIE-LCH	lch(42.89, 51.04, 282.99°)
OKLab	oklab(51.11% -0.0294 -0.1426)
OKLCH	oklch(51.11% 0.146 258.3)
XYZ	xyz(14.2020, 13.0870, 47.1157)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B64B8 #B87F2B

analogous

#2BABB8 #2B64B8 #392BB8

triadic

#2B64B8 #B82B64 #64B82B

tetradic

#2B64B8 #B82BAB #B87F2B #2BB839

square

#2B64B8 #B82BAB #B87F2B #2BB839

split-complementary

#2B64B8 #B8392B #ABB82B

monochromatic

#142E55 #1F4986 #2B64B8 #4B83D5 #7DA5E1

Accessibility & contrast

On white

5.80

#2B64B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#2B64B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B64B8

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B64B8	#FFFFFF	#000000	##FFFFFF
##2B64B8	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386CBB

Deuteranopia (green-blind)

#185FB6

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b64b8;
/* rgb */ color: rgb(43, 100, 184);
/* oklch */ color: oklch(51.1% 0.146 258.3);

Tailwind

colors: {
  custom: {
    50: '#798fce',
    500: '#2b64b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b64b8;
$custom-light: #798fce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b64b8",
  "rgb": {
    "r": 43,
    "g": 100,
    "b": 184
  },
  "hsl": {
    "h": 215.745,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51114,
    "c": 0.14561,
    "h": 258.3
  },
  "luminance": 0.13089
}

Semantic roles & 50–950 ramp

primary

#2B64B8

secondary

#C9A776

accent

#A343E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2B64B8

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

Preview Lab → · Contrast checker → · Palette generator →