#3959D2#3959D2

#3959D2 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.4% C 0.190 H 267.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3959D2
RGB	rgb(57, 89, 210)
HSL	hsl(227, 63%, 52%)
HSV	hsv(227, 73%, 82%)
CMYK	cmyk(72.9%, 57.6%, 0%, 17.6%)
CIE-LAB	lab(42.26, 29.99, -65.79)
CIE-LCH	lch(42.26, 72.30, 294.51°)
OKLab	oklab(51.35% -0.0073 -0.1898)
OKLCH	oklch(51.35% 0.19 267.8)
XYZ	xyz(16.8885, 12.6660, 62.5150)
Luminance	0.1267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959D2 #D2B239

analogous

#39A6D2 #3959D2 #6639D2

triadic

#3959D2 #D23959 #59D239

tetradic

#3959D2 #D239A6 #D2B239 #39D266

square

#3959D2 #D239A6 #D2B239 #39D266

split-complementary

#3959D2 #D26639 #A6D239

monochromatic

#1B2E76 #2641A8 #3959D2 #6B83DD #9DADE9

Accessibility & contrast

On white

5.94

#3959D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3959D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959D2

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959D2	#FFFFFF	#000000	##FFFFFF
##3959D2	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD6

Deuteranopia (green-blind)

#005DD0

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3959d2;
/* rgb */ color: rgb(57, 89, 210);
/* oklch */ color: oklch(51.4% 0.190 267.8);

Tailwind

colors: {
  custom: {
    50: '#8487e1',
    500: '#3959d2',
    950: '#000000',
  },
}

SCSS

$custom: #3959d2;
$custom-light: #8487e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3959d2",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 210
  },
  "hsl": {
    "h": 227.451,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.51353,
    "c": 0.18993,
    "h": 267.8
  },
  "luminance": 0.12668
}

Semantic roles & 50–950 ramp

primary

#3959D2

secondary

#D5C792

accent

#C442E6

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3959D2

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

Preview Lab → · Contrast checker → · Palette generator →