#3F4582#3F4582

#3F4582 is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.7% C 0.101 H 276.8°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F4582
RGB	rgb(63, 69, 130)
HSL	hsl(235, 35%, 38%)
HSV	hsv(235, 52%, 51%)
CMYK	cmyk(51.5%, 46.9%, 0%, 49%)
CIE-LAB	lab(31.63, 15.67, -35.27)
CIE-LCH	lch(31.63, 38.59, 293.96°)
OKLab	oklab(41.66% 0.012 -0.1001)
OKLCH	oklch(41.66% 0.101 276.8)
XYZ	xyz(8.2060, 6.9242, 22.0189)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4582 #827C3F

analogous

#3F6682 #3F4582 #5A3F82

triadic

#3F4582 #823F45 #45823F

tetradic

#3F4582 #823F66 #827C3F #3F825A

square

#3F4582 #823F66 #827C3F #3F825A

split-complementary

#3F4582 #825A3F #66823F

monochromatic

#171930 #2B2F59 #3F4582 #535BAB #7C82BF

Accessibility & contrast

On white

8.81

#3F4582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3F4582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4582

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4582	#FFFFFF	#000000	##FFFFFF
##3F4582	1.00	8.81	2.39	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4D84

Deuteranopia (green-blind)

#254881

Tritanopia (blue-blind)

#24525D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f4582;
/* rgb */ color: rgb(63, 69, 130);
/* oklch */ color: oklch(41.7% 0.101 276.8);

Tailwind

colors: {
  custom: {
    50: '#7978a7',
    500: '#3f4582',
    950: '#000000',
  },
}

SCSS

$custom: #3f4582;
$custom-light: #7978a7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4582",
  "rgb": {
    "r": 63,
    "g": 69,
    "b": 130
  },
  "hsl": {
    "h": 234.627,
    "s": 34.715,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41662,
    "c": 0.10087,
    "h": 276.8
  },
  "luminance": 0.06925
}

Semantic roles & 50–950 ramp

primary

#3F4582

secondary

#AAA573

accent

#C15DCB

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #3F4582

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

Preview Lab → · Contrast checker → · Palette generator →