#3D63AA#3D63AA

#3D63AA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.121 H 261.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3D63AA
RGB	rgb(61, 99, 170)
HSL	hsl(219, 47%, 45%)
HSV	hsv(219, 64%, 67%)
CMYK	cmyk(64.1%, 41.8%, 0%, 33.3%)
CIE-LAB	lab(42.49, 9.68, -42.14)
CIE-LCH	lch(42.49, 43.23, 282.94°)
OKLab	oklab(50.73% -0.0173 -0.12)
OKLCH	oklch(50.73% 0.121 261.8)
XYZ	xyz(13.6395, 12.8168, 39.7775)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D63AA #AA843D

analogous

#3D99AA #3D63AA #4E3DAA

triadic

#3D63AA #AA3D63 #63AA3D

tetradic

#3D63AA #AA3D99 #AA843D #3DAA4E

square

#3D63AA #AA3D99 #AA843D #3DAA4E

split-complementary

#3D63AA #AA4E3D #99AA3D

monochromatic

#1D2F50 #2D497D #3D63AA #5F83C5 #8CA6D6

Accessibility & contrast

On white

5.89

#3D63AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3D63AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D63AA

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D63AA	#FFFFFF	#000000	##FFFFFF
##3D63AA	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAD

Deuteranopia (green-blind)

#3360A9

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3d63aa;
/* rgb */ color: rgb(61, 99, 170);
/* oklch */ color: oklch(50.7% 0.121 261.8);

Tailwind

colors: {
  custom: {
    50: '#7d8fc4',
    500: '#3d63aa',
    950: '#000000',
  },
}

SCSS

$custom: #3d63aa;
$custom-light: #7d8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3d63aa",
  "rgb": {
    "r": 61,
    "g": 99,
    "b": 170
  },
  "hsl": {
    "h": 219.083,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50726,
    "c": 0.12126,
    "h": 261.8
  },
  "luminance": 0.12818
}

Semantic roles & 50–950 ramp

primary

#3D63AA

secondary

#C0AB82

accent

#A851D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C12

muted

#7C7D81

Preview Lab

Preview with #3D63AA

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

Preview Lab → · Contrast checker → · Palette generator →