#3D63B2#3D63B2

#3D63B2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.133 H 263.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D63B2
RGB	rgb(61, 99, 178)
HSL	hsl(221, 49%, 47%)
HSV	hsv(221, 66%, 70%)
CMYK	cmyk(65.7%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.96, 12.55, -46.09)
CIE-LCH	lch(42.96, 47.76, 285.23°)
OKLab	oklab(51.24% -0.0157 -0.1316)
OKLCH	oklch(51.24% 0.133 263.2)
XYZ	xyz(14.4194, 13.1288, 43.8851)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63B2 #B28C3D

analogous

#3D9EB2 #3D63B2 #523DB2

triadic

#3D63B2 #B23D63 #63B23D

tetradic

#3D63B2 #B23D9E #B28C3D #3DB252

square

#3D63B2 #B23D9E #B28C3D #3DB252

split-complementary

#3D63B2 #B2523D #9EB23D

monochromatic

#1E3057 #2D4A84 #3D63B2 #6384C9 #90A8D9

Accessibility & contrast

On white

5.79

#3D63B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3D63B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63B2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63B2	#FFFFFF	#000000	##FFFFFF
##3D63B2	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6BB5

Deuteranopia (green-blind)

#2A60B0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3d63b2;
/* rgb */ color: rgb(61, 99, 178);
/* oklch */ color: oklch(51.2% 0.133 263.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ec9',
    500: '#3d63b2',
    950: '#000000',
  },
}

SCSS

$custom: #3d63b2;
$custom-light: #7f8ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63b2",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 220.513,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51242,
    "c": 0.13255,
    "h": 263.2
  },
  "luminance": 0.1313
}

Semantic roles & 50–950 ramp

primary

#3D63B2

secondary

#C4B087

accent

#AC4FD9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D63B2

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

Preview Lab → · Contrast checker → · Palette generator →