#3D63CB#3D63CB

#3D63CB is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.0% C 0.167 H 265.8°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3D63CB
RGB	rgb(61, 99, 203)
HSL	hsl(224, 58%, 52%)
HSV	hsv(224, 70%, 80%)
CMYK	cmyk(70%, 51.2%, 0%, 20.4%)
CIE-LAB	lab(44.55, 21.59, -58.03)
CIE-LCH	lch(44.55, 61.91, 290.41°)
OKLab	oklab(52.98% -0.0122 -0.1667)
OKLCH	oklch(52.98% 0.167 265.8)
XYZ	xyz(17.1620, 14.2258, 58.3297)
Luminance	0.1423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63CB #CBA53D

analogous

#3DAACB #3D63CB #5E3DCB

triadic

#3D63CB #CB3D63 #63CB3D

tetradic

#3D63CB #CB3DAA #CBA53D #3DCB5E

square

#3D63CB #CB3DAA #CBA53D #3DCB5E

split-complementary

#3D63CB #CB5E3D #AACB3D

monochromatic

#1E3470 #2B4AA0 #3D63CB #6D8AD8 #9EB1E5

Accessibility & contrast

On white

5.46

#3D63CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3D63CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63CB

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63CB	#FFFFFF	#000000	##FFFFFF
##3D63CB	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2270CF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3d63cb;
/* rgb */ color: rgb(61, 99, 203);
/* oklch */ color: oklch(53.0% 0.167 265.8);

Tailwind

colors: {
  custom: {
    50: '#838edb',
    500: '#3d63cb',
    950: '#000000',
  },
}

SCSS

$custom: #3d63cb;
$custom-light: #838edb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63cb",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 223.944,
    "s": 57.724,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52976,
    "c": 0.16719,
    "h": 265.8
  },
  "luminance": 0.14228
}

Semantic roles & 50–950 ramp

primary

#3D63CB

secondary

#D1C093

accent

#B847E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3D63CB

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

Preview Lab → · Contrast checker → · Palette generator →