#3945A5#3945A5

#3945A5 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.154 H 272.9°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3945A5
RGB	rgb(57, 69, 165)
HSL	hsl(233, 49%, 44%)
HSV	hsv(233, 65%, 65%)
CMYK	cmyk(65.5%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(33.65, 26.69, -53.38)
CIE-LCH	lch(33.65, 59.69, 296.57°)
OKLab	oklab(43.85% 0.0079 -0.1536)
OKLCH	oklch(43.85% 0.154 272.9)
XYZ	xyz(10.6047, 7.8418, 36.5448)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3945A5 #A59939

analogous

#397BA5 #3945A5 #6339A5

triadic

#3945A5 #A53945 #45A539

tetradic

#3945A5 #A5397B #A59939 #39A563

square

#3945A5 #A5397B #A59939 #39A563

split-complementary

#3945A5 #A56339 #7BA539

monochromatic

#1A1F4A #293278 #3945A5 #5663C5 #848DD4

Accessibility & contrast

On white

8.18

#3945A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3945A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3945A5

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3945A5	#FFFFFF	#000000	##FFFFFF
##3945A5	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A8

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3945a5;
/* rgb */ color: rgb(57, 69, 165);
/* oklch */ color: oklch(43.8% 0.154 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c78c0',
    500: '#3945a5',
    950: '#000000',
  },
}

SCSS

$custom: #3945a5;
$custom-light: #7c78c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3945a5",
  "rgb": {
    "r": 57,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 233.333,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43848,
    "c": 0.15378,
    "h": 272.9
  },
  "luminance": 0.07843
}

Semantic roles & 50–950 ramp

primary

#3945A5

secondary

#BEB77B

accent

#C950D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3945A5

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

Preview Lab → · Contrast checker → · Palette generator →