#3941A5#3941A5

#3941A5 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.159 H 274.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3941A5
RGB	rgb(57, 65, 165)
HSL	hsl(236, 49%, 44%)
HSV	hsv(236, 65%, 65%)
CMYK	cmyk(65.5%, 60.6%, 0%, 35.3%)
CIE-LAB	lab(32.63, 29.30, -55.05)
CIE-LCH	lch(32.63, 62.36, 298.02°)
OKLab	oklab(43.09% 0.0114 -0.1585)
OKLCH	oklch(43.09% 0.159 274.1)
XYZ	xyz(10.3669, 7.3662, 36.4655)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3941A5 #A59D39

analogous

#3977A5 #3941A5 #6739A5

triadic

#3941A5 #A53941 #41A539

tetradic

#3941A5 #A53977 #A59D39 #39A567

square

#3941A5 #A53977 #A59D39 #39A567

split-complementary

#3941A5 #A56739 #77A539

monochromatic

#1A1D4A #292F78 #3941A5 #565FC5 #848AD4

Accessibility & contrast

On white

8.49

#3941A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3941A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941A5

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941A5	#FFFFFF	#000000	##FFFFFF
##3941A5	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3941a5;
/* rgb */ color: rgb(57, 65, 165);
/* oklch */ color: oklch(43.1% 0.159 274.1);

Tailwind

colors: {
  custom: {
    50: '#7c75c0',
    500: '#3941a5',
    950: '#000000',
  },
}

SCSS

$custom: #3941a5;
$custom-light: #7c75c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3941a5",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 165
  },
  "hsl": {
    "h": 235.556,
    "s": 48.649,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43087,
    "c": 0.15893,
    "h": 274.1
  },
  "luminance": 0.07367
}

Semantic roles & 50–950 ramp

primary

#3941A5

secondary

#BEB97B

accent

#CE50D8

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3941A5

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

Preview Lab → · Contrast checker → · Palette generator →