#3959BA#3959BA

#3959BA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.5% C 0.157 H 266.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#3959BA
RGB	rgb(57, 89, 186)
HSL	hsl(225, 53%, 48%)
HSV	hsv(225, 69%, 73%)
CMYK	cmyk(69.4%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(40.51, 21.25, -54.72)
CIE-LCH	lch(40.51, 58.70, 291.22°)
OKLab	oklab(49.48% -0.0088 -0.1572)
OKLCH	oklch(49.48% 0.157 266.8)
XYZ	xyz(14.1196, 11.5584, 47.9317)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959BA #BA9A39

analogous

#399ABA #3959BA #5939BA

triadic

#3959BA #BA3959 #59BA39

tetradic

#3959BA #BA399A #BA9A39 #39BA59

square

#3959BA #BA399A #BA9A39 #39BA59

split-complementary

#3959BA #BA5939 #9ABA39

monochromatic

#1C2C5C #2B438B #3959BA #617DCF #90A3DD

Accessibility & contrast

On white

6.34

#3959BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#3959BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959BA

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959BA	#FFFFFF	#000000	##FFFFFF
##3959BA	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B66BD

Deuteranopia (green-blind)

#005AB8

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3959ba;
/* rgb */ color: rgb(57, 89, 186);
/* oklch */ color: oklch(49.5% 0.157 266.8);

Tailwind

colors: {
  custom: {
    50: '#7f87cf',
    500: '#3959ba',
    950: '#000000',
  },
}

SCSS

$custom: #3959ba;
$custom-light: #7f87cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3959ba",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 225.116,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49484,
    "c": 0.15749,
    "h": 266.8
  },
  "luminance": 0.1156
}

Semantic roles & 50–950 ramp

primary

#3959BA

secondary

#C8B887

accent

#B84BDC

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3959BA

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

Preview Lab → · Contrast checker → · Palette generator →