#3952B1#3952B1

#3952B1 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.154 H 268.8°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3952B1
RGB	rgb(57, 82, 177)
HSL	hsl(228, 51%, 46%)
HSV	hsv(228, 68%, 69%)
CMYK	cmyk(67.8%, 53.7%, 0%, 30.6%)
CIE-LAB	lab(37.98, 22.52, -53.51)
CIE-LCH	lch(37.98, 58.06, 292.83°)
OKLab	oklab(47.38% -0.0033 -0.1538)
OKLCH	oklch(47.38% 0.154 268.8)
XYZ	xyz(12.6377, 10.0776, 42.8656)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3952B1 #B19839

analogous

#398EB1 #3952B1 #5C39B1

triadic

#3952B1 #B13952 #52B139

tetradic

#3952B1 #B1398E #B19839 #39B15C

square

#3952B1 #B1398E #B19839 #39B15C

split-complementary

#3952B1 #B15C39 #8EB139

monochromatic

#1B2754 #2A3D83 #3952B1 #5D73CB #8B9BDA

Accessibility & contrast

On white

6.96

#3952B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3952B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3952B1

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3952B1	#FFFFFF	#000000	##FFFFFF
##3952B1	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F5FB4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3952b1;
/* rgb */ color: rgb(57, 82, 177);
/* oklch */ color: oklch(47.4% 0.154 268.8);

Tailwind

colors: {
  custom: {
    50: '#7d82c9',
    500: '#3952b1',
    950: '#000000',
  },
}

SCSS

$custom: #3952b1;
$custom-light: #7d82c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3952b1",
  "rgb": {
    "r": 57,
    "g": 82,
    "b": 177
  },
  "hsl": {
    "h": 227.5,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47375,
    "c": 0.15383,
    "h": 268.8
  },
  "luminance": 0.10079
}

Semantic roles & 50–950 ramp

primary

#3952B1

secondary

#C4B682

accent

#BD4DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3952B1

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

Preview Lab → · Contrast checker → · Palette generator →