#3948C9#3948C9

#3948C9 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.5% C 0.198 H 271.3°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#3948C9
RGB	rgb(57, 72, 201)
HSL	hsl(234, 57%, 51%)
HSV	hsv(234, 72%, 79%)
CMYK	cmyk(71.6%, 64.2%, 0%, 21.2%)
CIE-LAB	lab(37.34, 37.54, -68.62)
CIE-LCH	lch(37.34, 78.22, 298.68°)
OKLab	oklab(47.48% 0.0046 -0.1983)
OKLCH	oklch(47.48% 0.198 271.3)
XYZ	xyz(14.5437, 9.7202, 56.3567)
Luminance	0.0972 (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

#3948C9 #C9BA39

analogous

#3990C9 #3948C9 #7239C9

triadic

#3948C9 #C93948 #48C939

tetradic

#3948C9 #C93990 #C9BA39 #39C972

square

#3948C9 #C93990 #C9BA39 #39C972

split-complementary

#3948C9 #C97239 #90C939

monochromatic

#1D256B #2A369B #3948C9 #6974D6 #99A1E3

Accessibility & contrast

On white

7.13

#3948C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3948C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3948C9

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3948C9	#FFFFFF	#000000	##FFFFFF
##3948C9	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCD

Deuteranopia (green-blind)

#0051C7

Tritanopia (blue-blind)

#006A82

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3948c9;
/* rgb */ color: rgb(57, 72, 201);
/* oklch */ color: oklch(47.5% 0.198 271.3);

Tailwind

colors: {
  custom: {
    50: '#837bda',
    500: '#3948c9',
    950: '#000000',
  },
}

SCSS

$custom: #3948c9;
$custom-light: #837bda;
$custom-dark: #000000;

JSON

{
  "hex": "#3948c9",
  "rgb": {
    "r": 57,
    "g": 72,
    "b": 201
  },
  "hsl": {
    "h": 233.75,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47484,
    "c": 0.19833,
    "h": 271.3
  },
  "luminance": 0.09722
}

Semantic roles & 50–950 ramp

primary

#3948C9

secondary

#CFC88F

accent

#D047E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3948C9

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

Preview Lab → · Contrast checker → · Palette generator →