#3D64B9#3D64B9

#3D64B9 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.141 H 263.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3D64B9
RGB	rgb(61, 100, 185)
HSL	hsl(221, 50%, 48%)
HSV	hsv(221, 67%, 73%)
CMYK	cmyk(67%, 45.9%, 0%, 27.5%)
CIE-LAB	lab(43.66, 14.43, -49.04)
CIE-LCH	lch(43.66, 51.12, 286.40°)
OKLab	oklab(51.92% -0.0155 -0.1403)
OKLCH	oklch(51.92% 0.141 263.7)
XYZ	xyz(15.2355, 13.6077, 47.7132)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D64B9 #B9923D

analogous

#3DA2B9 #3D64B9 #543DB9

triadic

#3D64B9 #B93D64 #64B93D

tetradic

#3D64B9 #B93DA2 #B9923D #3DB954

square

#3D64B9 #B93DA2 #B9923D #3DB954

split-complementary

#3D64B9 #B9543D #A2B93D

monochromatic

#1F325D #2E4B8B #3D64B9 #6687CD #95ABDC

Accessibility & contrast

On white

5.64

#3D64B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3D64B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D64B9

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D64B9	#FFFFFF	#000000	##FFFFFF
##3D64B9	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6DBC

Deuteranopia (green-blind)

#2262B7

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3d64b9;
/* rgb */ color: rgb(61, 100, 185);
/* oklch */ color: oklch(51.9% 0.141 263.7);

Tailwind

colors: {
  custom: {
    50: '#808fce',
    500: '#3d64b9',
    950: '#000000',
  },
}

SCSS

$custom: #3d64b9;
$custom-light: #808fce;
$custom-dark: #000000;

JSON

{
  "hex": "#3d64b9",
  "rgb": {
    "r": 61,
    "g": 100,
    "b": 185
  },
  "hsl": {
    "h": 221.129,
    "s": 50.407,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51924,
    "c": 0.14114,
    "h": 263.7
  },
  "luminance": 0.13609
}

Semantic roles & 50–950 ramp

primary

#3D64B9

secondary

#C7B48B

accent

#AE4EDA

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3D64B9

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

Preview Lab → · Contrast checker → · Palette generator →