#3F4EA2#3F4EA2

#3F4EA2 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.8% C 0.136 H 272.3°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F4EA2
RGB	rgb(63, 78, 162)
HSL	hsl(231, 44%, 44%)
HSV	hsv(231, 61%, 64%)
CMYK	cmyk(61.1%, 51.9%, 0%, 36.5%)
CIE-LAB	lab(36.20, 20.81, -47.44)
CIE-LCH	lch(36.20, 51.80, 293.68°)
OKLab	oklab(45.79% 0.0055 -0.1358)
OKLCH	oklch(45.79% 0.136 272.3)
XYZ	xyz(11.2937, 9.1133, 35.3393)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4EA2 #A2933F

analogous

#3F80A2 #3F4EA2 #623FA2

triadic

#3F4EA2 #A23F4E #4EA23F

tetradic

#3F4EA2 #A23F80 #A2933F #3FA262

square

#3F4EA2 #A23F80 #A2933F #3FA262

split-complementary

#3F4EA2 #A2623F #80A23F

monochromatic

#1D244A #2E3976 #3F4EA2 #5E6DC0 #8A95D1

Accessibility & contrast

On white

7.44

#3F4EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3F4EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4EA2

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4EA2	#FFFFFF	#000000	##FFFFFF
##3F4EA2	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5AA5

Deuteranopia (green-blind)

#0551A0

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f4ea2;
/* rgb */ color: rgb(63, 78, 162);
/* oklch */ color: oklch(45.8% 0.136 272.3);

Tailwind

colors: {
  custom: {
    50: '#7e7fbe',
    500: '#3f4ea2',
    950: '#000000',
  },
}

SCSS

$custom: #3f4ea2;
$custom-light: #7e7fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4ea2",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 162
  },
  "hsl": {
    "h": 230.909,
    "s": 44,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45791,
    "c": 0.13596,
    "h": 272.3
  },
  "luminance": 0.09114
}

Semantic roles & 50–950 ramp

primary

#3F4EA2

secondary

#BCB381

accent

#C054D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #3F4EA2

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

Preview Lab → · Contrast checker → · Palette generator →