#3941A8#3941A8

#3941A8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.3% C 0.163 H 274.0°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#3941A8
RGB	rgb(57, 65, 168)
HSL	hsl(236, 49%, 44%)
HSV	hsv(236, 66%, 66%)
CMYK	cmyk(66.1%, 61.3%, 0%, 34.1%)
CIE-LAB	lab(32.87, 30.36, -56.46)
CIE-LCH	lch(32.87, 64.10, 298.27°)
OKLab	oklab(43.34% 0.0114 -0.1626)
OKLCH	oklch(43.34% 0.163 274)
XYZ	xyz(10.6432, 7.4767, 37.9205)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3941A8 #A8A039

analogous

#3979A8 #3941A8 #6939A8

triadic

#3941A8 #A83941 #41A839

tetradic

#3941A8 #A83979 #A8A039 #39A869

square

#3941A8 #A83979 #A8A039 #39A869

split-complementary

#3941A8 #A86939 #79A839

monochromatic

#1A1E4D #292F7A #3941A8 #5860C6 #868BD6

Accessibility & contrast

On white

8.41

#3941A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3941A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941A8

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941A8	#FFFFFF	#000000	##FFFFFF
##3941A8	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AB

Deuteranopia (green-blind)

#0048A6

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3941a8;
/* rgb */ color: rgb(57, 65, 168);
/* oklch */ color: oklch(43.3% 0.163 274.0);

Tailwind

colors: {
  custom: {
    50: '#7d75c3',
    500: '#3941a8',
    950: '#000000',
  },
}

SCSS

$custom: #3941a8;
$custom-light: #7d75c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3941a8",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 168
  },
  "hsl": {
    "h": 235.676,
    "s": 49.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43342,
    "c": 0.16305,
    "h": 274
  },
  "luminance": 0.07478
}

Semantic roles & 50–950 ramp

primary

#3941A8

secondary

#C0BB7D

accent

#CF4FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941A8

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

Preview Lab → · Contrast checker → · Palette generator →