#2F63BC#2F63BC

#2F63BC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.151 H 260.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F63BC
RGB	rgb(47, 99, 188)
HSL	hsl(218, 60%, 46%)
HSV	hsv(218, 75%, 74%)
CMYK	cmyk(75%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.00, 14.13, -51.89)
CIE-LCH	lch(43.00, 53.78, 285.23°)
OKLab	oklab(51.32% -0.0252 -0.1489)
OKLCH	oklch(51.32% 0.151 260.4)
XYZ	xyz(14.7079, 13.1572, 49.3316)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63BC #BC882F

analogous

#2FA9BC #2F63BC #412FBC

triadic

#2F63BC #BC2F63 #63BC2F

tetradic

#2F63BC #BC2FA9 #BC882F #2FBC41

square

#2F63BC #BC2FA9 #BC882F #2FBC41

split-complementary

#2F63BC #BC412F #A9BC2F

monochromatic

#172F5A #23498B #2F63BC #5483D4 #85A7E0

Accessibility & contrast

On white

5.78

#2F63BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#2F63BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63BC

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63BC	#FFFFFF	#000000	##FFFFFF
##2F63BC	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336CBF

Deuteranopia (green-blind)

#0A60BA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2f63bc;
/* rgb */ color: rgb(47, 99, 188);
/* oklch */ color: oklch(51.3% 0.151 260.4);

Tailwind

colors: {
  custom: {
    50: '#7b8ed1',
    500: '#2f63bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f63bc;
$custom-light: #7b8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63bc",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 217.872,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51315,
    "c": 0.15102,
    "h": 260.4
  },
  "luminance": 0.13159
}

Semantic roles & 50–950 ramp

primary

#2F63BC

secondary

#CAAD7D

accent

#A945E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F63BC

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

Preview Lab → · Contrast checker → · Palette generator →