#2F64B5#2F64B5

#2F64B5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.140 H 258.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F64B5
RGB	rgb(47, 100, 181)
HSL	hsl(216, 59%, 45%)
HSV	hsv(216, 74%, 71%)
CMYK	cmyk(74%, 44.8%, 0%, 29%)
CIE-LAB	lab(42.84, 10.84, -48.05)
CIE-LCH	lch(42.84, 49.26, 282.71°)
OKLab	oklab(51.05% -0.0273 -0.1376)
OKLCH	oklch(51.05% 0.14 258.8)
XYZ	xyz(14.0669, 13.0533, 45.4853)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F64B5 #B5802F

analogous

#2FA7B5 #2F64B5 #3D2FB5

triadic

#2F64B5 #B52F64 #64B52F

tetradic

#2F64B5 #B52FA7 #B5802F #2FB53D

square

#2F64B5 #B52FA7 #B5802F #2FB53D

split-complementary

#2F64B5 #B53D2F #A7B52F

monochromatic

#162E54 #224984 #2F64B5 #5083D1 #80A5DE

Accessibility & contrast

On white

5.82

#2F64B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2F64B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F64B5

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F64B5	#FFFFFF	#000000	##FFFFFF
##2F64B5	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)

#3B6CB8

Deuteranopia (green-blind)

#205FB3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f64b5;
/* rgb */ color: rgb(47, 100, 181);
/* oklch */ color: oklch(51.1% 0.140 258.8);

Tailwind

colors: {
  custom: {
    50: '#798fcc',
    500: '#2f64b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f64b5;
$custom-light: #798fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f64b5",
  "rgb": {
    "r": 47,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 216.269,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51053,
    "c": 0.1403,
    "h": 258.8
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#2F64B5

secondary

#C7A879

accent

#A446E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F64B5

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

Preview Lab → · Contrast checker → · Palette generator →