#3E63BB#3E63BB

#3E63BB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.145 H 264.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3E63BB
RGB	rgb(62, 99, 187)
HSL	hsl(222, 50%, 49%)
HSV	hsv(222, 67%, 73%)
CMYK	cmyk(66.8%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(43.56, 15.96, -50.38)
CIE-LCH	lch(43.56, 52.84, 287.58°)
OKLab	oklab(51.89% -0.0134 -0.1442)
OKLCH	oklch(51.89% 0.145 264.7)
XYZ	xyz(15.4150, 13.5342, 48.8041)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E63BB #BB963E

analogous

#3EA2BB #3E63BB #583EBB

triadic

#3E63BB #BB3E63 #63BB3E

tetradic

#3E63BB #BB3EA2 #BB963E #3EBB58

square

#3E63BB #BB3EA2 #BB963E #3EBB58

split-complementary

#3E63BB #BB583E #A2BB3E

monochromatic

#20325F #2F4B8D #3E63BB #6987CD #97ACDC

Accessibility & contrast

On white

5.66

#3E63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3E63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E63BB

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E63BB	#FFFFFF	#000000	##FFFFFF
##3E63BB	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBE

Deuteranopia (green-blind)

#1C62B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3e63bb;
/* rgb */ color: rgb(62, 99, 187);
/* oklch */ color: oklch(51.9% 0.145 264.7);

Tailwind

colors: {
  custom: {
    50: '#818ed0',
    500: '#3e63bb',
    950: '#000000',
  },
}

SCSS

$custom: #3e63bb;
$custom-light: #818ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3e63bb",
  "rgb": {
    "r": 62,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 222.24,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51894,
    "c": 0.14482,
    "h": 264.7
  },
  "luminance": 0.13536
}

Semantic roles & 50–950 ramp

primary

#3E63BB

secondary

#C8B78D

accent

#B04EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3E63BB

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

Preview Lab → · Contrast checker → · Palette generator →