#3F4697#3F4697

#3F4697 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.131 H 275.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3F4697
RGB	rgb(63, 70, 151)
HSL	hsl(235, 41%, 42%)
HSV	hsv(235, 58%, 59%)
CMYK	cmyk(58.3%, 53.6%, 0%, 40.8%)
CIE-LAB	lab(33.29, 22.21, -45.50)
CIE-LCH	lch(33.29, 50.63, 296.01°)
OKLab	oklab(43.36% 0.0132 -0.1302)
OKLCH	oklch(43.36% 0.131 275.8)
XYZ	xyz(9.8242, 7.6707, 30.2351)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4697 #97903F

analogous

#3F7297 #3F4697 #643F97

triadic

#3F4697 #973F46 #46973F

tetradic

#3F4697 #973F72 #97903F #3F9764

square

#3F4697 #973F72 #97903F #3F9764

split-complementary

#3F4697 #97643F #72973F

monochromatic

#1B1E41 #2D326C #3F4697 #5961BA #858ACC

Accessibility & contrast

On white

8.29

#3F4697 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3F4697 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4697

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4697	#FFFFFF	#000000	##FFFFFF
##3F4697	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17529A

Deuteranopia (green-blind)

#014B95

Tritanopia (blue-blind)

#085967

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f4697;
/* rgb */ color: rgb(63, 70, 151);
/* oklch */ color: oklch(43.4% 0.131 275.8);

Tailwind

colors: {
  custom: {
    50: '#7c79b6',
    500: '#3f4697',
    950: '#000000',
  },
}

SCSS

$custom: #3f4697;
$custom-light: #7c79b6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4697",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 151
  },
  "hsl": {
    "h": 235.227,
    "s": 41.121,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43355,
    "c": 0.1309,
    "h": 275.8
  },
  "luminance": 0.07671
}

Semantic roles & 50–950 ramp

primary

#3F4697

secondary

#B6B27C

accent

#C757D1

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3F4697

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

Preview Lab → · Contrast checker → · Palette generator →