#3952B7#3952B7

#3952B7 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.162 H 269.0°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#3952B7
RGB	rgb(57, 82, 183)
HSL	hsl(228, 53%, 47%)
HSV	hsv(228, 69%, 72%)
CMYK	cmyk(68.9%, 55.2%, 0%, 28.2%)
CIE-LAB	lab(38.41, 24.70, -56.34)
CIE-LCH	lch(38.41, 61.52, 293.67°)
OKLab	oklab(47.84% -0.0029 -0.1621)
OKLCH	oklch(47.84% 0.162 269)
XYZ	xyz(13.2489, 10.3221, 46.0847)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3952B7 #B79E39

analogous

#3991B7 #3952B7 #5F39B7

triadic

#3952B7 #B73952 #52B739

tetradic

#3952B7 #B73991 #B79E39 #39B75F

square

#3952B7 #B73991 #B79E39 #39B75F

split-complementary

#3952B7 #B75F39 #91B739

monochromatic

#1C285A #2A3D88 #3952B7 #6076CD #8E9EDC

Accessibility & contrast

On white

6.85

#3952B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3952B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3952B7

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3952B7	#FFFFFF	#000000	##FFFFFF
##3952B7	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3952b7;
/* rgb */ color: rgb(57, 82, 183);
/* oklch */ color: oklch(47.8% 0.162 269.0);

Tailwind

colors: {
  custom: {
    50: '#7f82cd',
    500: '#3952b7',
    950: '#000000',
  },
}

SCSS

$custom: #3952b7;
$custom-light: #7f82cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3952b7",
  "rgb": {
    "r": 57,
    "g": 82,
    "b": 183
  },
  "hsl": {
    "h": 228.095,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47838,
    "c": 0.16216,
    "h": 269
  },
  "luminance": 0.10323
}

Semantic roles & 50–950 ramp

primary

#3952B7

secondary

#C7BA85

accent

#BF4CDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3952B7

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

Preview Lab → · Contrast checker → · Palette generator →