#3F5EAD#3F5EAD

#3F5EAD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.131 H 265.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F5EAD
RGB	rgb(63, 94, 173)
HSL	hsl(223, 47%, 46%)
HSV	hsv(223, 64%, 68%)
CMYK	cmyk(63.6%, 45.7%, 0%, 32.2%)
CIE-LAB	lab(41.34, 14.32, -45.73)
CIE-LCH	lch(41.34, 47.92, 287.39°)
OKLab	oklab(49.93% -0.0097 -0.1306)
OKLCH	oklch(49.93% 0.131 265.8)
XYZ	xyz(13.5928, 12.0781, 41.1420)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5EAD #AD8E3F

analogous

#3F95AD #3F5EAD #573FAD

triadic

#3F5EAD #AD3F5E #5EAD3F

tetradic

#3F5EAD #AD3F95 #AD8E3F #3FAD57

square

#3F5EAD #AD3F95 #AD8E3F #3FAD57

split-complementary

#3F5EAD #AD573F #95AD3F

monochromatic

#1E2D53 #2F4680 #3F5EAD #637FC6 #90A4D7

Accessibility & contrast

On white

6.15

#3F5EAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3F5EAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F5EAD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5EAD	#FFFFFF	#000000	##FFFFFF
##3F5EAD	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3867B0

Deuteranopia (green-blind)

#265DAB

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3f5ead;
/* rgb */ color: rgb(63, 94, 173);
/* oklch */ color: oklch(49.9% 0.131 265.8);

Tailwind

colors: {
  custom: {
    50: '#7f8bc6',
    500: '#3f5ead',
    950: '#000000',
  },
}

SCSS

$custom: #3f5ead;
$custom-light: #7f8bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5ead",
  "rgb": {
    "r": 63,
    "g": 94,
    "b": 173
  },
  "hsl": {
    "h": 223.091,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.49929,
    "c": 0.13096,
    "h": 265.8
  },
  "luminance": 0.12079
}

Semantic roles & 50–950 ramp

primary

#3F5EAD

secondary

#C2B186

accent

#B152D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3F5EAD

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

Preview Lab → · Contrast checker → · Palette generator →