#3950AA#3950AA

#3950AA is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.147 H 269.2°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#3950AA
RGB	rgb(57, 80, 170)
HSL	hsl(228, 50%, 45%)
HSV	hsv(228, 66%, 67%)
CMYK	cmyk(66.5%, 52.9%, 0%, 33.3%)
CIE-LAB	lab(36.95, 21.28, -51.04)
CIE-LCH	lch(36.95, 55.30, 292.64°)
OKLab	oklab(46.43% -0.0021 -0.1465)
OKLCH	oklch(46.43% 0.147 269.2)
XYZ	xyz(11.8092, 9.5084, 39.2354)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3950AA #AA9339

analogous

#3988AA #3950AA #5B39AA

triadic

#3950AA #AA3950 #50AA39

tetradic

#3950AA #AA3988 #AA9339 #39AA5B

square

#3950AA #AA3988 #AA9339 #39AA5B

split-complementary

#3950AA #AA5B39 #88AA39

monochromatic

#1A254E #2A3A7C #3950AA #596FC7 #8797D7

Accessibility & contrast

On white

7.24

#3950AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3950AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3950AA

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3950AA	#FFFFFF	#000000	##FFFFFF
##3950AA	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175CAD

Deuteranopia (green-blind)

#0052A8

Tritanopia (blue-blind)

#006575

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3950aa;
/* rgb */ color: rgb(57, 80, 170);
/* oklch */ color: oklch(46.4% 0.147 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c80c4',
    500: '#3950aa',
    950: '#000000',
  },
}

SCSS

$custom: #3950aa;
$custom-light: #7c80c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3950aa",
  "rgb": {
    "r": 57,
    "g": 80,
    "b": 170
  },
  "hsl": {
    "h": 227.788,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.46435,
    "c": 0.14655,
    "h": 269.2
  },
  "luminance": 0.09509
}

Semantic roles & 50–950 ramp

primary

#3950AA

secondary

#C1B37E

accent

#BD4ED9

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3950AA

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

Preview Lab → · Contrast checker → · Palette generator →