#2F63B9#2F63B9

#2F63B9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.147 H 259.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F63B9
RGB	rgb(47, 99, 185)
HSL	hsl(217, 59%, 45%)
HSV	hsv(217, 75%, 73%)
CMYK	cmyk(74.6%, 46.5%, 0%, 27.5%)
CIE-LAB	lab(42.81, 13.00, -50.45)
CIE-LCH	lch(42.81, 52.10, 284.45°)
OKLab	oklab(51.11% -0.0257 -0.1447)
OKLCH	oklch(51.11% 0.147 259.9)
XYZ	xyz(14.3879, 13.0292, 47.6461)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63B9 #B9852F

analogous

#2FA8B9 #2F63B9 #402FB9

triadic

#2F63B9 #B92F63 #63B92F

tetradic

#2F63B9 #B92FA8 #B9852F #2FB940

square

#2F63B9 #B92FA8 #B9852F #2FB940

split-complementary

#2F63B9 #B9402F #A8B92F

monochromatic

#162F57 #234988 #2F63B9 #5283D3 #83A6DF

Accessibility & contrast

On white

5.82

#2F63B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2F63B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63B9

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63B9	#FFFFFF	#000000	##FFFFFF
##2F63B9	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)

#366CBC

Deuteranopia (green-blind)

#145FB7

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f63b9;
/* rgb */ color: rgb(47, 99, 185);
/* oklch */ color: oklch(51.1% 0.147 259.9);

Tailwind

colors: {
  custom: {
    50: '#7a8ece',
    500: '#2f63b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f63b9;
$custom-light: #7a8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63b9",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 185
  },
  "hsl": {
    "h": 217.391,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51106,
    "c": 0.14694,
    "h": 259.9
  },
  "luminance": 0.13031
}

Semantic roles & 50–950 ramp

primary

#2F63B9

secondary

#C9AB7B

accent

#A745E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F63B9

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

Preview Lab → · Contrast checker → · Palette generator →