#3955AA#3955AA

#3955AA is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.5% C 0.140 H 267.2°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#3955AA
RGB	rgb(57, 85, 170)
HSL	hsl(225, 50%, 45%)
HSV	hsv(225, 66%, 67%)
CMYK	cmyk(66.5%, 50%, 0%, 33.3%)
CIE-LAB	lab(38.32, 18.01, -48.82)
CIE-LCH	lch(38.32, 52.04, 290.25°)
OKLab	oklab(47.48% -0.0068 -0.1399)
OKLCH	oklch(47.48% 0.14 267.2)
XYZ	xyz(12.1890, 10.2680, 39.3620)
Luminance	0.1027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3955AA #AA8E39

analogous

#398EAA #3955AA #5639AA

triadic

#3955AA #AA3955 #55AA39

tetradic

#3955AA #AA398E #AA8E39 #39AA56

square

#3955AA #AA398E #AA8E39 #39AA56

split-complementary

#3955AA #AA5639 #8EAA39

monochromatic

#1A274E #2A3E7C #3955AA #5974C7 #879BD7

Accessibility & contrast

On white

6.88

#3955AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#3955AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3955AA

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3955AA	#FFFFFF	#000000	##FFFFFF
##3955AA	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AD

Deuteranopia (green-blind)

#0555A8

Tritanopia (blue-blind)

#006977

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3955aa;
/* rgb */ color: rgb(57, 85, 170);
/* oklch */ color: oklch(47.5% 0.140 267.2);

Tailwind

colors: {
  custom: {
    50: '#7c84c4',
    500: '#3955aa',
    950: '#000000',
  },
}

SCSS

$custom: #3955aa;
$custom-light: #7c84c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3955aa",
  "rgb": {
    "r": 57,
    "g": 85,
    "b": 170
  },
  "hsl": {
    "h": 225.133,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47477,
    "c": 0.14011,
    "h": 267.2
  },
  "luminance": 0.10269
}

Semantic roles & 50–950 ramp

primary

#3955AA

secondary

#C1B07E

accent

#B74ED9

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3955AA

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

Preview Lab → · Contrast checker → · Palette generator →