#3953B9#3953B9

#3953B9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.2% C 0.164 H 268.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#3953B9
RGB	rgb(57, 83, 185)
HSL	hsl(228, 53%, 47%)
HSV	hsv(228, 69%, 73%)
CMYK	cmyk(69.2%, 55.1%, 0%, 27.5%)
CIE-LAB	lab(38.83, 24.78, -56.85)
CIE-LCH	lch(38.83, 62.02, 293.55°)
OKLab	oklab(48.19% -0.0037 -0.1636)
OKLCH	oklch(48.19% 0.164 268.7)
XYZ	xyz(13.5345, 10.5578, 47.2141)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953B9 #B99F39

analogous

#3993B9 #3953B9 #5F39B9

triadic

#3953B9 #B93953 #53B939

tetradic

#3953B9 #B93993 #B99F39 #39B95F

square

#3953B9 #B93993 #B99F39 #39B95F

split-complementary

#3953B9 #B95F39 #93B939

monochromatic

#1C295B #2B3E8A #3953B9 #6177CE #909FDD

Accessibility & contrast

On white

6.75

#3953B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#3953B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953B9

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953B9	#FFFFFF	#000000	##FFFFFF
##3953B9	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0056B7

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3953b9;
/* rgb */ color: rgb(57, 83, 185);
/* oklch */ color: oklch(48.2% 0.164 268.7);

Tailwind

colors: {
  custom: {
    50: '#7f83cf',
    500: '#3953b9',
    950: '#000000',
  },
}

SCSS

$custom: #3953b9;
$custom-light: #7f83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3953b9",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 185
  },
  "hsl": {
    "h": 227.813,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48193,
    "c": 0.16365,
    "h": 268.7
  },
  "luminance": 0.10559
}

Semantic roles & 50–950 ramp

primary

#3953B9

secondary

#C8BA86

accent

#BF4BDC

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3953B9

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

Preview Lab → · Contrast checker → · Palette generator →