#3953CC#3953CC

#3953CC is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.7% C 0.189 H 269.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3953CC
RGB	rgb(57, 83, 204)
HSL	hsl(229, 59%, 51%)
HSV	hsv(229, 72%, 80%)
CMYK	cmyk(72.1%, 59.3%, 0%, 20%)
CIE-LAB	lab(40.27, 31.66, -65.57)
CIE-LCH	lch(40.27, 72.81, 295.77°)
OKLab	oklab(49.73% -0.0031 -0.1892)
OKLCH	oklch(49.73% 0.189 269.1)
XYZ	xyz(15.6759, 11.4144, 58.4921)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3953CC #CCB239

analogous

#399CCC #3953CC #6839CC

triadic

#3953CC #CC3953 #53CC39

tetradic

#3953CC #CC399C #CCB239 #39CC68

square

#3953CC #CC399C #CCB239 #39CC68

split-complementary

#3953CC #CC6839 #9CCC39

monochromatic

#1C2B6E #293E9F #3953CC #6A7DD9 #9AA8E5

Accessibility & contrast

On white

6.40

#3953CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3953CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3953CC

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3953CC	#FFFFFF	#000000	##FFFFFF
##3953CC	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D0

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3953cc;
/* rgb */ color: rgb(57, 83, 204);
/* oklch */ color: oklch(49.7% 0.189 269.1);

Tailwind

colors: {
  custom: {
    50: '#8383dc',
    500: '#3953cc',
    950: '#000000',
  },
}

SCSS

$custom: #3953cc;
$custom-light: #8383dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3953cc",
  "rgb": {
    "r": 57,
    "g": 83,
    "b": 204
  },
  "hsl": {
    "h": 229.388,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49727,
    "c": 0.18925,
    "h": 269.1
  },
  "luminance": 0.11416
}

Semantic roles & 50–950 ramp

primary

#3953CC

secondary

#D1C590

accent

#C746E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3953CC

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

Preview Lab → · Contrast checker → · Palette generator →