#3965D8#3965D8

#3965D8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.2% C 0.183 H 265.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3965D8
RGB	rgb(57, 101, 216)
HSL	hsl(223, 67%, 54%)
HSV	hsv(223, 74%, 85%)
CMYK	cmyk(73.6%, 53.2%, 0%, 15.3%)
CIE-LAB	lab(45.82, 24.52, -63.44)
CIE-LCH	lch(45.82, 68.01, 291.13°)
OKLab	oklab(54.17% -0.0159 -0.1827)
OKLCH	oklch(54.17% 0.183 265)
XYZ	xyz(18.7313, 15.1330, 66.8862)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965D8 #D8AC39

analogous

#39B5D8 #3965D8 #5C39D8

triadic

#3965D8 #D83965 #65D839

tetradic

#3965D8 #D839B5 #D8AC39 #39D85C

square

#3965D8 #D839B5 #D8AC39 #39D85C

split-complementary

#3965D8 #D85C39 #B5D839

monochromatic

#19357E #234AB1 #3965D8 #6C8DE2 #9FB5EC

Accessibility & contrast

On white

5.21

#3965D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3965D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965D8

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965D8	#FFFFFF	#000000	##FFFFFF
##3965D8	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0874DC

Deuteranopia (green-blind)

#0066D6

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3965d8;
/* rgb */ color: rgb(57, 101, 216);
/* oklch */ color: oklch(54.2% 0.183 265.0);

Tailwind

colors: {
  custom: {
    50: '#8490e5',
    500: '#3965d8',
    950: '#000000',
  },
}

SCSS

$custom: #3965d8;
$custom-light: #8490e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3965d8",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 216
  },
  "hsl": {
    "h": 223.396,
    "s": 67.089,
    "l": 53.529
  },
  "oklch": {
    "l": 0.5417,
    "c": 0.18339,
    "h": 265
  },
  "luminance": 0.15135
}

Semantic roles & 50–950 ramp

primary

#3965D8

secondary

#D8C694

accent

#BA3EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3965D8

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

Preview Lab → · Contrast checker → · Palette generator →