#3F4B95#3F4B95

#3F4B95 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.2% C 0.121 H 273.5°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F4B95
RGB	rgb(63, 75, 149)
HSL	hsl(232, 41%, 42%)
HSV	hsv(232, 58%, 58%)
CMYK	cmyk(57.7%, 49.7%, 0%, 41.6%)
CIE-LAB	lab(34.51, 18.22, -42.31)
CIE-LCH	lch(34.51, 46.07, 293.30°)
OKLab	oklab(44.24% 0.0074 -0.1208)
OKLCH	oklch(44.24% 0.121 273.5)
XYZ	xyz(9.9890, 8.2581, 29.4955)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4B95 #95893F

analogous

#3F7695 #3F4B95 #5E3F95

triadic

#3F4B95 #953F4B #4B953F

tetradic

#3F4B95 #953F76 #95893F #3F955E

square

#3F4B95 #953F76 #95893F #3F955E

split-complementary

#3F4B95 #955E3F #76953F

monochromatic

#1B203F #2D356A #3F4B95 #5966B9 #848ECB

Accessibility & contrast

On white

7.92

#3F4B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3F4B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4B95

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4B95	#FFFFFF	#000000	##FFFFFF
##3F4B95	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#275598

Deuteranopia (green-blind)

#1A4E93

Tritanopia (blue-blind)

#0B5C69

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f4b95;
/* rgb */ color: rgb(63, 75, 149);
/* oklch */ color: oklch(44.2% 0.121 273.5);

Tailwind

colors: {
  custom: {
    50: '#7b7db5',
    500: '#3f4b95',
    950: '#000000',
  },
}

SCSS

$custom: #3f4b95;
$custom-light: #7b7db5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4b95",
  "rgb": {
    "r": 63,
    "g": 75,
    "b": 149
  },
  "hsl": {
    "h": 231.628,
    "s": 40.566,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44238,
    "c": 0.12103,
    "h": 273.5
  },
  "luminance": 0.08259
}

Semantic roles & 50–950 ramp

primary

#3F4B95

secondary

#B5AD7B

accent

#C057D0

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4B95

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

Preview Lab → · Contrast checker → · Palette generator →