#2F63BB#2F63BB

#2F63BB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.150 H 260.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F63BB
RGB	rgb(47, 99, 187)
HSL	hsl(218, 60%, 46%)
HSV	hsv(218, 75%, 73%)
CMYK	cmyk(74.9%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(42.93, 13.75, -51.41)
CIE-LCH	lch(42.93, 53.22, 284.98°)
OKLab	oklab(51.25% -0.0253 -0.1475)
OKLCH	oklch(51.25% 0.15 260.2)
XYZ	xyz(14.6005, 13.1142, 48.7659)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63BB #BB872F

analogous

#2FA9BB #2F63BB #412FBB

triadic

#2F63BB #BB2F63 #63BB2F

tetradic

#2F63BB #BB2FA9 #BB872F #2FBB41

square

#2F63BB #BB2FA9 #BB872F #2FBB41

split-complementary

#2F63BB #BB412F #A9BB2F

monochromatic

#162F59 #23498A #2F63BB #5383D4 #84A6E0

Accessibility & contrast

On white

5.80

#2F63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#2F63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63BB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63BB	#FFFFFF	#000000	##FFFFFF
##2F63BB	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)

#346CBE

Deuteranopia (green-blind)

#0E5FB9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f63bb;
/* rgb */ color: rgb(47, 99, 187);
/* oklch */ color: oklch(51.2% 0.150 260.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ed0',
    500: '#2f63bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f63bb;
$custom-light: #7b8ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63bb",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 217.714,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51245,
    "c": 0.14966,
    "h": 260.2
  },
  "luminance": 0.13116
}

Semantic roles & 50–950 ramp

primary

#2F63BB

secondary

#C9AD7C

accent

#A845E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F63BB

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

Preview Lab → · Contrast checker → · Palette generator →