#3F4E86#3F4E86

#3F4E86 is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.9% C 0.094 H 270.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E86
RGB	rgb(63, 78, 134)
HSL	hsl(227, 36%, 39%)
HSV	hsv(227, 53%, 53%)
CMYK	cmyk(53%, 41.8%, 0%, 47.5%)
CIE-LAB	lab(34.45, 11.08, -33.26)
CIE-LCH	lch(34.45, 35.05, 288.43°)
OKLab	oklab(43.89% 0.0013 -0.0942)
OKLCH	oklch(43.89% 0.094 270.8)
XYZ	xyz(9.0760, 8.2262, 23.6592)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E86 #86773F

analogous

#3F7186 #3F4E86 #533F86

triadic

#3F4E86 #863F4E #4E863F

tetradic

#3F4E86 #863F71 #86773F #3F8653

square

#3F4E86 #863F71 #86773F #3F8653

split-complementary

#3F4E86 #86533F #71863F

monochromatic

#181E33 #2B365C #3F4E86 #5467AE #7D8CC2

Accessibility & contrast

On white

7.94

#3F4E86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3F4E86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E86

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E86	#FFFFFF	#000000	##FFFFFF
##3F4E86	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385488

Deuteranopia (green-blind)

#304E85

Tritanopia (blue-blind)

#1F5A63

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3f4e86;
/* rgb */ color: rgb(63, 78, 134);
/* oklch */ color: oklch(43.9% 0.094 270.8);

Tailwind

colors: {
  custom: {
    50: '#797fa9',
    500: '#3f4e86',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e86;
$custom-light: #797fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e86",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 134
  },
  "hsl": {
    "h": 227.324,
    "s": 36.041,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43891,
    "c": 0.09421,
    "h": 270.8
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary

#3F4E86

secondary

#ACA174

accent

#B45CCC

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #3F4E86

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

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