#2F64B4#2F64B4

#2F64B4 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.139 H 258.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F64B4
RGB	rgb(47, 100, 180)
HSL	hsl(216, 59%, 45%)
HSV	hsv(216, 74%, 71%)
CMYK	cmyk(73.9%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(42.78, 10.47, -47.57)
CIE-LCH	lch(42.78, 48.71, 282.41°)
OKLab	oklab(50.99% -0.0275 -0.1362)
OKLCH	oklch(50.99% 0.139 258.6)
XYZ	xyz(13.9647, 13.0124, 44.9468)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F64B4 #B47F2F

analogous

#2FA7B4 #2F64B4 #3D2FB4

triadic

#2F64B4 #B42F64 #64B42F

tetradic

#2F64B4 #B42FA7 #B47F2F #2FB43D

square

#2F64B4 #B42FA7 #B47F2F #2FB43D

split-complementary

#2F64B4 #B43D2F #A7B42F

monochromatic

#162E53 #224983 #2F64B4 #4F83D1 #80A5DE

Accessibility & contrast

On white

5.83

#2F64B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#2F64B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F64B4

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F64B4	#FFFFFF	#000000	##FFFFFF
##2F64B4	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6CB7

Deuteranopia (green-blind)

#225FB2

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f64b4;
/* rgb */ color: rgb(47, 100, 180);
/* oklch */ color: oklch(51.0% 0.139 258.6);

Tailwind

colors: {
  custom: {
    50: '#798fcb',
    500: '#2f64b4',
    950: '#000000',
  },
}

SCSS

$custom: #2f64b4;
$custom-light: #798fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f64b4",
  "rgb": {
    "r": 47,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 216.09,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50986,
    "c": 0.13893,
    "h": 258.6
  },
  "luminance": 0.13014
}

Semantic roles & 50–950 ramp

primary

#2F64B4

secondary

#C7A778

accent

#A446E2

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F64B4

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

Preview Lab → · Contrast checker → · Palette generator →