#3F4784#3F4784

#3F4784 is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.2% C 0.101 H 275.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F4784
RGB	rgb(63, 71, 132)
HSL	hsl(233, 35%, 38%)
HSV	hsv(233, 52%, 52%)
CMYK	cmyk(52.3%, 46.2%, 0%, 48.2%)
CIE-LAB	lab(32.32, 15.02, -35.41)
CIE-LCH	lch(32.32, 38.46, 292.99°)
OKLab	oklab(42.23% 0.0098 -0.1005)
OKLCH	oklch(42.23% 0.101 275.6)
XYZ	xyz(8.4667, 7.2287, 22.7745)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4784 #847C3F

analogous

#3F6984 #3F4784 #593F84

triadic

#3F4784 #843F47 #47843F

tetradic

#3F4784 #843F69 #847C3F #3F8459

square

#3F4784 #843F69 #847C3F #3F8459

split-complementary

#3F4784 #84593F #69843F

monochromatic

#171A31 #2B315B #3F4784 #535EAD #7D85C1

Accessibility & contrast

On white

8.59

#3F4784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3F4784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4784

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4784	#FFFFFF	#000000	##FFFFFF
##3F4784	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4F86

Deuteranopia (green-blind)

#274983

Tritanopia (blue-blind)

#22545F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f4784;
/* rgb */ color: rgb(63, 71, 132);
/* oklch */ color: oklch(42.2% 0.101 275.6);

Tailwind

colors: {
  custom: {
    50: '#797aa8',
    500: '#3f4784',
    950: '#000000',
  },
}

SCSS

$custom: #3f4784;
$custom-light: #797aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4784",
  "rgb": {
    "r": 63,
    "g": 71,
    "b": 132
  },
  "hsl": {
    "h": 233.043,
    "s": 35.385,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42225,
    "c": 0.10103,
    "h": 275.6
  },
  "luminance": 0.07229
}

Semantic roles & 50–950 ramp

primary

#3F4784

secondary

#ABA574

accent

#BF5CCB

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #3F4784

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

Preview Lab → · Contrast checker → · Palette generator →