#3D63AB#3D63AB

#3D63AB is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.123 H 262.0°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#3D63AB
RGB	rgb(61, 99, 171)
HSL	hsl(219, 47%, 45%)
HSV	hsv(219, 64%, 67%)
CMYK	cmyk(64.3%, 42.1%, 0%, 32.9%)
CIE-LAB	lab(42.54, 10.03, -42.63)
CIE-LCH	lch(42.54, 43.80, 283.24°)
OKLab	oklab(50.79% -0.0171 -0.1215)
OKLCH	oklch(50.79% 0.123 262)
XYZ	xyz(13.7344, 12.8548, 40.2776)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63AB #AB853D

analogous

#3D9AAB #3D63AB #4E3DAB

triadic

#3D63AB #AB3D63 #63AB3D

tetradic

#3D63AB #AB3D9A #AB853D #3DAB4E

square

#3D63AB #AB3D9A #AB853D #3DAB4E

split-complementary

#3D63AB #AB4E3D #9AAB3D

monochromatic

#1D2F51 #2D497E #3D63AB #5F83C6 #8CA6D6

Accessibility & contrast

On white

5.88

#3D63AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3D63AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63AB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63AB	#FFFFFF	#000000	##FFFFFF
##3D63AB	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426AAE

Deuteranopia (green-blind)

#3260AA

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3d63ab;
/* rgb */ color: rgb(61, 99, 171);
/* oklch */ color: oklch(50.8% 0.123 262.0);

Tailwind

colors: {
  custom: {
    50: '#7d8fc4',
    500: '#3d63ab',
    950: '#000000',
  },
}

SCSS

$custom: #3d63ab;
$custom-light: #7d8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63ab",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 171
  },
  "hsl": {
    "h": 219.273,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5079,
    "c": 0.12268,
    "h": 262
  },
  "luminance": 0.12856
}

Semantic roles & 50–950 ramp

primary

#3D63AB

secondary

#C1AB83

accent

#A951D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3D63AB

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

Preview Lab → · Contrast checker → · Palette generator →