#3941A9#3941A9

#3941A9 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.164 H 274.0°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3941A9
RGB	rgb(57, 65, 169)
HSL	hsl(236, 50%, 44%)
HSV	hsv(236, 66%, 66%)
CMYK	cmyk(66.3%, 61.5%, 0%, 33.7%)
CIE-LAB	lab(32.95, 30.71, -56.92)
CIE-LCH	lch(32.95, 64.68, 298.35°)
OKLab	oklab(43.43% 0.0113 -0.164)
OKLCH	oklch(43.43% 0.164 274)
XYZ	xyz(10.7367, 7.5141, 38.4130)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3941A9 #A9A139

analogous

#3979A9 #3941A9 #6939A9

triadic

#3941A9 #A93941 #41A939

tetradic

#3941A9 #A93979 #A9A139 #39A969

square

#3941A9 #A93979 #A9A139 #39A969

split-complementary

#3941A9 #A96939 #79A939

monochromatic

#1A1E4D #2A2F7B #3941A9 #5860C7 #868CD6

Accessibility & contrast

On white

8.39

#3941A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3941A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3941A9

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3941A9	#FFFFFF	#000000	##FFFFFF
##3941A9	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#005B6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3941a9;
/* rgb */ color: rgb(57, 65, 169);
/* oklch */ color: oklch(43.4% 0.164 274.0);

Tailwind

colors: {
  custom: {
    50: '#7d75c3',
    500: '#3941a9',
    950: '#000000',
  },
}

SCSS

$custom: #3941a9;
$custom-light: #7d75c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3941a9",
  "rgb": {
    "r": 57,
    "g": 65,
    "b": 169
  },
  "hsl": {
    "h": 235.714,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.43427,
    "c": 0.16441,
    "h": 274
  },
  "luminance": 0.07515
}

Semantic roles & 50–950 ramp

primary

#3941A9

secondary

#C0BB7E

accent

#CF4FD9

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3941A9

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

Preview Lab → · Contrast checker → · Palette generator →