#3948C8#3948C8

#3948C8 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.197 H 271.4°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#3948C8
RGB	rgb(57, 72, 200)
HSL	hsl(234, 57%, 50%)
HSV	hsv(234, 72%, 78%)
CMYK	cmyk(71.5%, 64%, 0%, 21.6%)
CIE-LAB	lab(37.25, 37.19, -68.18)
CIE-LCH	lch(37.25, 77.66, 298.61°)
OKLab	oklab(47.39% 0.0046 -0.197)
OKLCH	oklch(47.39% 0.197 271.4)
XYZ	xyz(14.4265, 9.6733, 55.7392)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3948C8 #C8B939

analogous

#3990C8 #3948C8 #7139C8

triadic

#3948C8 #C83948 #48C839

tetradic

#3948C8 #C83990 #C8B939 #39C871

square

#3948C8 #C83990 #C8B939 #39C871

split-complementary

#3948C8 #C87139 #90C839

monochromatic

#1D2569 #2B3699 #3948C8 #6974D5 #99A1E3

Accessibility & contrast

On white

7.16

#3948C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#3948C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948C8

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948C8	#FFFFFF	#000000	##FFFFFF
##3948C8	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECC

Deuteranopia (green-blind)

#0051C6

Tritanopia (blue-blind)

#006981

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3948c8;
/* rgb */ color: rgb(57, 72, 200);
/* oklch */ color: oklch(47.4% 0.197 271.4);

Tailwind

colors: {
  custom: {
    50: '#837bda',
    500: '#3948c8',
    950: '#000000',
  },
}

SCSS

$custom: #3948c8;
$custom-light: #837bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3948c8",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 200
  },
  "hsl": {
    "h": 233.706,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.47394,
    "c": 0.19704,
    "h": 271.4
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#3948C8

secondary

#CEC88F

accent

#D048E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3948C8

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

Preview Lab → · Contrast checker → · Palette generator →