#3952B4#3952B4

#3952B4 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.158 H 268.9°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3952B4
RGB	rgb(57, 82, 180)
HSL	hsl(228, 52%, 46%)
HSV	hsv(228, 68%, 71%)
CMYK	cmyk(68.3%, 54.4%, 0%, 29.4%)
CIE-LAB	lab(38.20, 23.61, -54.93)
CIE-LCH	lch(38.20, 59.79, 293.26°)
OKLab	oklab(47.61% -0.0031 -0.158)
OKLCH	oklch(47.61% 0.158 268.9)
XYZ	xyz(12.9400, 10.1985, 44.4577)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3952B4 #B49B39

analogous

#3990B4 #3952B4 #5E39B4

triadic

#3952B4 #B43952 #52B439

tetradic

#3952B4 #B43990 #B49B39 #39B45E

square

#3952B4 #B43990 #B49B39 #39B45E

split-complementary

#3952B4 #B45E39 #90B439

monochromatic

#1C2857 #2A3D86 #3952B4 #5E74CC #8D9DDB

Accessibility & contrast

On white

6.91

#3952B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#3952B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3952B4

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3952B4	#FFFFFF	#000000	##FFFFFF
##3952B4	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0560B7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3952b4;
/* rgb */ color: rgb(57, 82, 180);
/* oklch */ color: oklch(47.6% 0.158 268.9);

Tailwind

colors: {
  custom: {
    50: '#7e82cb',
    500: '#3952b4',
    950: '#000000',
  },
}

SCSS

$custom: #3952b4;
$custom-light: #7e82cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3952b4",
  "rgb": {
    "r": 57,
    "g": 82,
    "b": 180
  },
  "hsl": {
    "h": 227.805,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47605,
    "c": 0.158,
    "h": 268.9
  },
  "luminance": 0.102
}

Semantic roles & 50–950 ramp

primary

#3952B4

secondary

#C5B883

accent

#BE4CDB

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3952B4

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

Preview Lab → · Contrast checker → · Palette generator →