#2F63B7#2F63B7

#2F63B7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.0% C 0.144 H 259.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2F63B7
RGB	rgb(47, 99, 183)
HSL	hsl(217, 59%, 45%)
HSV	hsv(217, 74%, 72%)
CMYK	cmyk(74.3%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.68, 12.24, -49.48)
CIE-LCH	lch(42.68, 50.98, 283.89°)
OKLab	oklab(50.97% -0.026 -0.1418)
OKLCH	oklch(50.97% 0.144 259.6)
XYZ	xyz(14.1783, 12.9453, 46.5420)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63B7 #B7832F

analogous

#2FA7B7 #2F63B7 #3F2FB7

triadic

#2F63B7 #B72F63 #63B72F

tetradic

#2F63B7 #B72FA7 #B7832F #2FB73F

square

#2F63B7 #B72FA7 #B7832F #2FB73F

split-complementary

#2F63B7 #B73F2F #A7B72F

monochromatic

#162E56 #224986 #2F63B7 #5182D2 #82A5DF

Accessibility & contrast

On white

5.85

#2F63B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2F63B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63B7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63B7	#FFFFFF	#000000	##FFFFFF
##2F63B7	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#195FB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f63b7;
/* rgb */ color: rgb(47, 99, 183);
/* oklch */ color: oklch(51.0% 0.144 259.6);

Tailwind

colors: {
  custom: {
    50: '#7a8ecd',
    500: '#2f63b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f63b7;
$custom-light: #7a8ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63b7",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 217.059,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.50968,
    "c": 0.14421,
    "h": 259.6
  },
  "luminance": 0.12947
}

Semantic roles & 50–950 ramp

primary

#2F63B7

secondary

#C8AA7A

accent

#A645E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F63B7

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

Preview Lab → · Contrast checker → · Palette generator →