#3D63BA#3D63BA

#3D63BA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.144 H 264.2°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3D63BA
RGB	rgb(61, 99, 186)
HSL	hsl(222, 51%, 48%)
HSV	hsv(222, 67%, 73%)
CMYK	cmyk(67.2%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.45, 15.43, -49.97)
CIE-LCH	lch(43.45, 52.30, 287.16°)
OKLab	oklab(51.78% -0.0144 -0.143)
OKLCH	oklch(51.78% 0.144 264.2)
XYZ	xyz(15.2461, 13.4595, 48.2393)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63BA #BA943D

analogous

#3DA1BA #3D63BA #553DBA

triadic

#3D63BA #BA3D63 #63BA3D

tetradic

#3D63BA #BA3DA1 #BA943D #3DBA55

square

#3D63BA #BA3DA1 #BA943D #3DBA55

split-complementary

#3D63BA #BA553D #A1BA3D

monochromatic

#1F325E #2E4A8C #3D63BA #6786CD #95ABDC

Accessibility & contrast

On white

5.69

#3D63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3D63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63BA

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63BA	#FFFFFF	#000000	##FFFFFF
##3D63BA	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBD

Deuteranopia (green-blind)

#1D61B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d63ba;
/* rgb */ color: rgb(61, 99, 186);
/* oklch */ color: oklch(51.8% 0.144 264.2);

Tailwind

colors: {
  custom: {
    50: '#808ecf',
    500: '#3d63ba',
    950: '#000000',
  },
}

SCSS

$custom: #3d63ba;
$custom-light: #808ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63ba",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 221.76,
    "s": 50.607,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51777,
    "c": 0.14376,
    "h": 264.2
  },
  "luminance": 0.13461
}

Semantic roles & 50–950 ramp

primary

#3D63BA

secondary

#C8B58B

accent

#AF4EDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D63BA

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

Preview Lab → · Contrast checker → · Palette generator →