#3959C5#3959C5

#3959C5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.173 H 267.4°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#3959C5
RGB	rgb(57, 89, 197)
HSL	hsl(226, 55%, 50%)
HSV	hsv(226, 71%, 77%)
CMYK	cmyk(71.1%, 54.8%, 0%, 22.7%)
CIE-LAB	lab(41.29, 25.27, -59.86)
CIE-LCH	lch(41.29, 64.98, 292.89°)
OKLab	oklab(50.32% -0.0079 -0.1724)
OKLCH	oklch(50.32% 0.173 267.4)
XYZ	xyz(15.3343, 12.0443, 54.3291)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3959C5 #C5A539

analogous

#399FC5 #3959C5 #5F39C5

triadic

#3959C5 #C53959 #59C539

tetradic

#3959C5 #C5399F #C5A539 #39C55F

square

#3959C5 #C5399F #C5A539 #39C55F

split-complementary

#3959C5 #C55F39 #9FC539

monochromatic

#1E2E66 #2B4496 #3959C5 #6880D3 #97A8E1

Accessibility & contrast

On white

6.16

#3959C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#3959C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3959C5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3959C5	#FFFFFF	#000000	##FFFFFF
##3959C5	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C9

Deuteranopia (green-blind)

#005BC3

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3959c5;
/* rgb */ color: rgb(57, 89, 197);
/* oklch */ color: oklch(50.3% 0.173 267.4);

Tailwind

colors: {
  custom: {
    50: '#8187d7',
    500: '#3959c5',
    950: '#000000',
  },
}

SCSS

$custom: #3959c5;
$custom-light: #8187d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3959c5",
  "rgb": {
    "r": 57,
    "g": 89,
    "b": 197
  },
  "hsl": {
    "h": 226.286,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50321,
    "c": 0.17255,
    "h": 267.4
  },
  "luminance": 0.12046
}

Semantic roles & 50–950 ramp

primary

#3959C5

secondary

#CDBE8D

accent

#BC49DE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3959C5

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

Preview Lab → · Contrast checker → · Palette generator →