#3A64B2#3A64B2

#3A64B2 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.132 H 261.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A64B2
RGB	rgb(58, 100, 178)
HSL	hsl(219, 51%, 46%)
HSV	hsv(219, 67%, 70%)
CMYK	cmyk(67.4%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(43.10, 11.39, -45.86)
CIE-LCH	lch(43.10, 47.25, 283.95°)
OKLab	oklab(51.32% -0.0193 -0.131)
OKLCH	oklch(51.32% 0.132 261.6)
XYZ	xyz(14.3351, 13.2268, 43.9084)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A64B2 #B2883A

analogous

#3AA0B2 #3A64B2 #4C3AB2

triadic

#3A64B2 #B23A64 #64B23A

tetradic

#3A64B2 #B23AA0 #B2883A #3AB24C

square

#3A64B2 #B23AA0 #B2883A #3AB24C

split-complementary

#3A64B2 #B24C3A #A0B23A

monochromatic

#1C3056 #2B4A84 #3A64B2 #5F84CB #8DA8DA

Accessibility & contrast

On white

5.76

#3A64B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3A64B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A64B2

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A64B2	#FFFFFF	#000000	##FFFFFF
##3A64B2	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB5

Deuteranopia (green-blind)

#2B61B0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3a64b2;
/* rgb */ color: rgb(58, 100, 178);
/* oklch */ color: oklch(51.3% 0.132 261.6);

Tailwind

colors: {
  custom: {
    50: '#7d8fc9',
    500: '#3a64b2',
    950: '#000000',
  },
}

SCSS

$custom: #3a64b2;
$custom-light: #7d8fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a64b2",
  "rgb": {
    "r": 58,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 219,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51317,
    "c": 0.13241,
    "h": 261.6
  },
  "luminance": 0.13228
}

Semantic roles & 50–950 ramp

primary

#3A64B2

secondary

#C4AE83

accent

#A94DDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3A64B2

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

Preview Lab → · Contrast checker → · Palette generator →