#3E63B3#3E63B3

#3E63B3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.134 H 263.7°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3E63B3
RGB	rgb(62, 99, 179)
HSL	hsl(221, 49%, 47%)
HSV	hsv(221, 65%, 70%)
CMYK	cmyk(65.4%, 44.7%, 0%, 29.8%)
CIE-LAB	lab(43.06, 13.08, -46.50)
CIE-LCH	lch(43.06, 48.30, 285.71°)
OKLab	oklab(51.36% -0.0147 -0.1328)
OKLCH	oklch(51.36% 0.134 263.7)
XYZ	xyz(14.5823, 13.2011, 44.4187)
Luminance	0.1320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E63B3 #B38E3E

analogous

#3E9DB3 #3E63B3 #543EB3

triadic

#3E63B3 #B33E63 #63B33E

tetradic

#3E63B3 #B33E9D #B38E3E #3EB354

square

#3E63B3 #B33E9D #B38E3E #3EB354

split-complementary

#3E63B3 #B3543E #9DB33E

monochromatic

#1F3158 #2E4A86 #3E63B3 #6585CA #92A9D9

Accessibility & contrast

On white

5.77

#3E63B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3E63B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E63B3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E63B3	#FFFFFF	#000000	##FFFFFF
##3E63B3	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB6

Deuteranopia (green-blind)

#2961B1

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3e63b3;
/* rgb */ color: rgb(62, 99, 179);
/* oklch */ color: oklch(51.4% 0.134 263.7);

Tailwind

colors: {
  custom: {
    50: '#7f8eca',
    500: '#3e63b3',
    950: '#000000',
  },
}

SCSS

$custom: #3e63b3;
$custom-light: #7f8eca;
$custom-dark: #000000;

JSON

{
  "hex": "#3e63b3",
  "rgb": {
    "r": 62,
    "g": 99,
    "b": 179
  },
  "hsl": {
    "h": 221.026,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51358,
    "c": 0.13361,
    "h": 263.7
  },
  "luminance": 0.13202
}

Semantic roles & 50–950 ramp

primary

#3E63B3

secondary

#C5B188

accent

#AD50D8

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3E63B3

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

Preview Lab → · Contrast checker → · Palette generator →