#3F4E85#3F4E85

#3F4E85 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.8% C 0.093 H 270.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E85
RGB	rgb(63, 78, 133)
HSL	hsl(227, 36%, 38%)
HSV	hsv(227, 53%, 52%)
CMYK	cmyk(52.6%, 41.4%, 0%, 47.8%)
CIE-LAB	lab(34.39, 10.74, -32.73)
CIE-LCH	lch(34.39, 34.45, 288.17°)
OKLab	oklab(43.83% 0.0011 -0.0927)
OKLCH	oklch(43.83% 0.093 270.7)
XYZ	xyz(9.0066, 8.1984, 23.2936)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E85 #85763F

analogous

#3F7185 #3F4E85 #533F85

triadic

#3F4E85 #853F4E #4E853F

tetradic

#3F4E85 #853F71 #85763F #3F8553

square

#3F4E85 #853F71 #85763F #3F8553

split-complementary

#3F4E85 #85533F #71853F

monochromatic

#181D32 #2B365B #3F4E85 #5367AE #7D8CC1

Accessibility & contrast

On white

7.96

#3F4E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3F4E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E85

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E85	#FFFFFF	#000000	##FFFFFF
##3F4E85	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385487

Deuteranopia (green-blind)

#314E84

Tritanopia (blue-blind)

#205A63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f4e85;
/* rgb */ color: rgb(63, 78, 133);
/* oklch */ color: oklch(43.8% 0.093 270.7);

Tailwind

colors: {
  custom: {
    50: '#797fa9',
    500: '#3f4e85',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e85;
$custom-light: #797fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e85",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 133
  },
  "hsl": {
    "h": 227.143,
    "s": 35.714,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43829,
    "c": 0.09267,
    "h": 270.7
  },
  "luminance": 0.08199
}

Semantic roles & 50–950 ramp

primary

#3F4E85

secondary

#ACA074

accent

#B45CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #3F4E85

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

Preview Lab → · Contrast checker → · Palette generator →