#2F63B2#2F63B2

#2F63B2 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.137 H 258.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#2F63B2
RGB	rgb(47, 99, 178)
HSL	hsl(216, 58%, 44%)
HSV	hsv(216, 74%, 70%)
CMYK	cmyk(73.6%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.37, 10.35, -47.06)
CIE-LCH	lch(42.37, 48.18, 282.41°)
OKLab	oklab(50.63% -0.0269 -0.1347)
OKLCH	oklch(50.63% 0.137 258.7)
XYZ	xyz(13.6671, 12.7409, 43.8498)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63B2 #B27E2F

analogous

#2FA5B2 #2F63B2 #3D2FB2

triadic

#2F63B2 #B22F63 #63B22F

tetradic

#2F63B2 #B22FA5 #B27E2F #2FB23D

square

#2F63B2 #B22FA5 #B27E2F #2FB23D

split-complementary

#2F63B2 #B23D2F #A5B22F

monochromatic

#152D51 #224882 #2F63B2 #4E82D0 #7EA4DD

Accessibility & contrast

On white

5.92

#2F63B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2F63B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63B2

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63B2	#FFFFFF	#000000	##FFFFFF
##2F63B2	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6AB5

Deuteranopia (green-blind)

#225EB0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2f63b2;
/* rgb */ color: rgb(47, 99, 178);
/* oklch */ color: oklch(50.6% 0.137 258.7);

Tailwind

colors: {
  custom: {
    50: '#798ec9',
    500: '#2f63b2',
    950: '#000000',
  },
}

SCSS

$custom: #2f63b2;
$custom-light: #798ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63b2",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 216.183,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50628,
    "c": 0.13737,
    "h": 258.7
  },
  "luminance": 0.12742
}

Semantic roles & 50–950 ramp

primary

#2F63B2

secondary

#C6A777

accent

#A446E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F63B2

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

Preview Lab → · Contrast checker → · Palette generator →