#3F4E98#3F4E98

#3F4E98 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.121 H 272.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E98
RGB	rgb(63, 78, 152)
HSL	hsl(230, 41%, 42%)
HSV	hsv(230, 59%, 60%)
CMYK	cmyk(58.6%, 48.7%, 0%, 40.4%)
CIE-LAB	lab(35.54, 17.29, -42.48)
CIE-LCH	lch(35.54, 45.87, 292.15°)
OKLab	oklab(45.08% 0.0044 -0.1213)
OKLCH	oklch(45.08% 0.121 272.1)
XYZ	xyz(10.4399, 8.7718, 30.8426)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E98 #98893F

analogous

#3F7A98 #3F4E98 #5D3F98

triadic

#3F4E98 #983F4E #4E983F

tetradic

#3F4E98 #983F7A #98893F #3F985D

square

#3F4E98 #983F7A #98893F #3F985D

split-complementary

#3F4E98 #985D3F #7A983F

monochromatic

#1B2241 #2D386D #3F4E98 #5A6ABA #8591CC

Accessibility & contrast

On white

7.62

#3F4E98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3F4E98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E98

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E98	#FFFFFF	#000000	##FFFFFF
##3F4E98	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A589B

Deuteranopia (green-blind)

#1D5096

Tritanopia (blue-blind)

#015F6B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3f4e98;
/* rgb */ color: rgb(63, 78, 152);
/* oklch */ color: oklch(45.1% 0.121 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c7fb7',
    500: '#3f4e98',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e98;
$custom-light: #7c7fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e98",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 152
  },
  "hsl": {
    "h": 229.888,
    "s": 41.395,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45079,
    "c": 0.12135,
    "h": 272.1
  },
  "luminance": 0.08773
}

Semantic roles & 50–950 ramp

primary

#3F4E98

secondary

#B7AD7C

accent

#BD57D1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3F4E98

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

Preview Lab → · Contrast checker → · Palette generator →