#3F69E0#3F69E0

#3F69E0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.8% C 0.187 H 265.9°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F69E0
RGB	rgb(63, 105, 224)
HSL	hsl(224, 72%, 56%)
HSV	hsv(224, 72%, 88%)
CMYK	cmyk(71.9%, 53.1%, 0%, 12.2%)
CIE-LAB	lab(47.67, 25.64, -64.95)
CIE-LCH	lch(47.67, 69.83, 291.54°)
OKLab	oklab(55.82% -0.0136 -0.187)
OKLCH	oklch(55.82% 0.187 265.9)
XYZ	xyz(20.5513, 16.5396, 72.6159)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69E0 #E0B63F

analogous

#3FBAE0 #3F69E0 #663FE0

triadic

#3F69E0 #E03F69 #69E03F

tetradic

#3F69E0 #E03FBA #E0B63F #3FE066

square

#3F69E0 #E03FBA #E0B63F #3FE066

split-complementary

#3F69E0 #E0663F #BAE03F

monochromatic

#17368E #1F4AC2 #3F69E0 #7492E9 #A8BBF1

Accessibility & contrast

On white

4.87

#3F69E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3F69E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69E0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69E0	#FFFFFF	#000000	##FFFFFF
##3F69E0	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C79E4

Deuteranopia (green-blind)

#006ADE

Tritanopia (blue-blind)

#00869A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f69e0;
/* rgb */ color: rgb(63, 105, 224);
/* oklch */ color: oklch(55.8% 0.187 265.9);

Tailwind

colors: {
  custom: {
    50: '#8893ea',
    500: '#3f69e0',
    950: '#000000',
  },
}

SCSS

$custom: #3f69e0;
$custom-light: #8893ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69e0",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 224
  },
  "hsl": {
    "h": 224.348,
    "s": 72.197,
    "l": 56.275
  },
  "oklch": {
    "l": 0.55822,
    "c": 0.18748,
    "h": 265.9
  },
  "luminance": 0.16542
}

Semantic roles & 50–950 ramp

primary

#3F69E0

secondary

#DFCD9C

accent

#BF39EF

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F69E0

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

Preview Lab → · Contrast checker → · Palette generator →