#2F64BB#2F64BB

#2F64BB is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.148 H 259.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2F64BB
RGB	rgb(47, 100, 187)
HSL	hsl(217, 60%, 46%)
HSV	hsv(217, 75%, 73%)
CMYK	cmyk(74.9%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.22, 13.11, -50.95)
CIE-LCH	lch(43.22, 52.61, 284.43°)
OKLab	oklab(51.46% -0.0262 -0.1461)
OKLCH	oklch(51.46% 0.148 259.8)
XYZ	xyz(14.6959, 13.3049, 48.7977)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F64BB #BB862F

analogous

#2FAABB #2F64BB #402FBB

triadic

#2F64BB #BB2F64 #64BB2F

tetradic

#2F64BB #BB2FAA #BB862F #2FBB40

square

#2F64BB #BB2FAA #BB862F #2FBB40

split-complementary

#2F64BB #BB402F #AABB2F

monochromatic

#163059 #234A8A #2F64BB #5384D4 #84A7E0

Accessibility & contrast

On white

5.74

#2F64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2F64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F64BB

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F64BB	#FFFFFF	#000000	##FFFFFF
##2F64BB	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBE

Deuteranopia (green-blind)

#1460B9

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2f64bb;
/* rgb */ color: rgb(47, 100, 187);
/* oklch */ color: oklch(51.5% 0.148 259.8);

Tailwind

colors: {
  custom: {
    50: '#7b8fd0',
    500: '#2f64bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f64bb;
$custom-light: #7b8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f64bb",
  "rgb": {
    "r": 47,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 217.286,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51463,
    "c": 0.14847,
    "h": 259.8
  },
  "luminance": 0.13307
}

Semantic roles & 50–950 ramp

primary

#2F64BB

secondary

#C9AC7C

accent

#A745E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F64BB

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

Preview Lab → · Contrast checker → · Palette generator →