#3959CE#3959CE

#3959CE is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.185 H 267.7°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3959CE
RGB	rgb(57, 89, 206)
HSL	hsl(227, 60%, 52%)
HSV	hsv(227, 72%, 81%)
CMYK	cmyk(72.3%, 56.8%, 0%, 19.2%)
CIE-LAB	lab(41.95, 28.54, -63.98)
CIE-LCH	lch(41.95, 70.06, 294.04°)
OKLab	oklab(51.03% -0.0075 -0.1845)
OKLCH	oklch(51.03% 0.185 267.7)
XYZ	xyz(16.3964, 12.4691, 59.9232)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959CE #CEAE39

analogous

#39A4CE #3959CE #6439CE

triadic

#3959CE #CE3959 #59CE39

tetradic

#3959CE #CE39A4 #CEAE39 #39CE64

square

#3959CE #CE39A4 #CEAE39 #39CE64

split-complementary

#3959CE #CE6439 #A4CE39

monochromatic

#1C2E71 #2842A2 #3959CE #6A82DA #9BABE6

Accessibility & contrast

On white

6.01

#3959CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3959CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959CE

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959CE	#FFFFFF	#000000	##FFFFFF
##3959CE	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#005CCC

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3959ce;
/* rgb */ color: rgb(57, 89, 206);
/* oklch */ color: oklch(51.0% 0.185 267.7);

Tailwind

colors: {
  custom: {
    50: '#8387de',
    500: '#3959ce',
    950: '#000000',
  },
}

SCSS

$custom: #3959ce;
$custom-light: #8387de;
$custom-dark: #000000;

JSON

{
  "hex": "#3959ce",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 206
  },
  "hsl": {
    "h": 227.114,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51031,
    "c": 0.18463,
    "h": 267.7
  },
  "luminance": 0.12471
}

Semantic roles & 50–950 ramp

primary

#3959CE

secondary

#D2C491

accent

#C144E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3959CE

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

Preview Lab → · Contrast checker → · Palette generator →