#3950C8#3950C8

#3950C8 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.188 H 269.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3950C8
RGB	rgb(57, 80, 200)
HSL	hsl(230, 57%, 50%)
HSV	hsv(230, 72%, 78%)
CMYK	cmyk(71.5%, 60%, 0%, 21.6%)
CIE-LAB	lab(39.20, 32.14, -64.99)
CIE-LCH	lch(39.20, 72.50, 296.31°)
OKLab	oklab(48.83% -0.0009 -0.1876)
OKLCH	oklch(48.83% 0.188 269.7)
XYZ	xyz(14.9778, 10.7758, 55.9230)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950C8 #C8B139

analogous

#3997C8 #3950C8 #6A39C8

triadic

#3950C8 #C83950 #50C839

tetradic

#3950C8 #C83997 #C8B139 #39C86A

square

#3950C8 #C83997 #C8B139 #39C86A

split-complementary

#3950C8 #C86A39 #97C839

monochromatic

#1D2969 #2B3C99 #3950C8 #697AD5 #99A5E3

Accessibility & contrast

On white

6.66

#3950C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3950C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3950C8

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950C8	#FFFFFF	#000000	##FFFFFF
##3950C8	1.00	6.66	3.16	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063CC

Deuteranopia (green-blind)

#0056C6

Tritanopia (blue-blind)

#006E84

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3950c8;
/* rgb */ color: rgb(57, 80, 200);
/* oklch */ color: oklch(48.8% 0.188 269.7);

Tailwind

colors: {
  custom: {
    50: '#8280da',
    500: '#3950c8',
    950: '#000000',
  },
}

SCSS

$custom: #3950c8;
$custom-light: #8280da;
$custom-dark: #000000;

JSON

{
  "hex": "#3950c8",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 200
  },
  "hsl": {
    "h": 230.35,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48833,
    "c": 0.18757,
    "h": 269.7
  },
  "luminance": 0.10777
}

Semantic roles & 50–950 ramp

primary

#3950C8

secondary

#CEC48F

accent

#C748E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3950C8

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

Preview Lab → · Contrast checker → · Palette generator →