#3D63BC#3D63BC

#3D63BC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.147 H 264.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D63BC
RGB	rgb(61, 99, 188)
HSL	hsl(222, 51%, 49%)
HSV	hsv(222, 68%, 74%)
CMYK	cmyk(67.6%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.57, 16.16, -50.93)
CIE-LCH	lch(43.57, 53.43, 287.60°)
OKLab	oklab(51.91% -0.0141 -0.1459)
OKLCH	oklch(51.91% 0.147 264.5)
XYZ	xyz(15.4602, 13.5451, 49.3669)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63BC #BC963D

analogous

#3DA3BC #3D63BC #573DBC

triadic

#3D63BC #BC3D63 #63BC3D

tetradic

#3D63BC #BC3DA3 #BC963D #3DBC57

square

#3D63BC #BC3DA3 #BC963D #3DBC57

split-complementary

#3D63BC #BC573D #A3BC3D

monochromatic

#1F3260 #2E4B8E #3D63BC #6887CE #96ACDD

Accessibility & contrast

On white

5.66

#3D63BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3D63BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63BC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63BC	#FFFFFF	#000000	##FFFFFF
##3D63BC	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)

#356DBF

Deuteranopia (green-blind)

#1961BA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d63bc;
/* rgb */ color: rgb(61, 99, 188);
/* oklch */ color: oklch(51.9% 0.147 264.5);

Tailwind

colors: {
  custom: {
    50: '#808ed1',
    500: '#3d63bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d63bc;
$custom-light: #808ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63bc",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 222.047,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.51914,
    "c": 0.14655,
    "h": 264.5
  },
  "luminance": 0.13547
}

Semantic roles & 50–950 ramp

primary

#3D63BC

secondary

#C9B78C

accent

#B04DDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D63BC

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

Preview Lab → · Contrast checker → · Palette generator →