#3945A2#3945A2

#3945A2 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.150 H 273.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3945A2
RGB	rgb(57, 69, 162)
HSL	hsl(233, 48%, 43%)
HSV	hsv(233, 65%, 64%)
CMYK	cmyk(64.8%, 57.4%, 0%, 36.5%)
CIE-LAB	lab(33.42, 25.62, -51.95)
CIE-LCH	lch(33.42, 57.93, 296.25°)
OKLab	oklab(43.61% 0.0078 -0.1494)
OKLCH	oklch(43.61% 0.15 273)
XYZ	xyz(10.3349, 7.7338, 35.1236)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945A2 #A29639

analogous

#3979A2 #3945A2 #6139A2

triadic

#3945A2 #A23945 #45A239

tetradic

#3945A2 #A23979 #A29639 #39A261

square

#3945A2 #A23979 #A29639 #39A261

split-complementary

#3945A2 #A26139 #79A239

monochromatic

#191E47 #293275 #3945A2 #5562C3 #828CD3

Accessibility & contrast

On white

8.24

#3945A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3945A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945A2

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945A2	#FFFFFF	#000000	##FFFFFF
##3945A2	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A5

Deuteranopia (green-blind)

#004AA0

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3945a2;
/* rgb */ color: rgb(57, 69, 162);
/* oklch */ color: oklch(43.6% 0.150 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b78be',
    500: '#3945a2',
    950: '#000000',
  },
}

SCSS

$custom: #3945a2;
$custom-light: #7b78be;
$custom-dark: #000000;

JSON

{
  "hex": "#3945a2",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 162
  },
  "hsl": {
    "h": 233.143,
    "s": 47.945,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43605,
    "c": 0.14958,
    "h": 273
  },
  "luminance": 0.07735
}

Semantic roles & 50–950 ramp

primary

#3945A2

secondary

#BDB57A

accent

#C850D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3945A2

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

Preview Lab → · Contrast checker → · Palette generator →