#3F69D9#3F69D9

#3F69D9 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.3% C 0.178 H 265.4°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F69D9
RGB	rgb(63, 105, 217)
HSL	hsl(224, 67%, 55%)
HSV	hsv(224, 71%, 85%)
CMYK	cmyk(71%, 51.6%, 0%, 14.9%)
CIE-LAB	lab(47.19, 23.12, -61.76)
CIE-LCH	lch(47.19, 65.95, 290.52°)
OKLab	oklab(55.31% -0.0142 -0.1776)
OKLCH	oklch(55.31% 0.178 265.4)
XYZ	xyz(19.6215, 16.1676, 67.7188)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69D9 #D9AF3F

analogous

#3FB6D9 #3F69D9 #623FD9

triadic

#3F69D9 #D93F69 #69D93F

tetradic

#3F69D9 #D93FB6 #D9AF3F #3FD962

square

#3F69D9 #D93FB6 #D9AF3F #3FD962

split-complementary

#3F69D9 #D9623F #B6D93F

monochromatic

#1A3784 #244CB7 #3F69D9 #7291E3 #A5B9ED

Accessibility & contrast

On white

4.96

#3F69D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3F69D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69D9

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69D9	#FFFFFF	#000000	##FFFFFF
##3F69D9	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2077DD

Deuteranopia (green-blind)

#0069D7

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f69d9;
/* rgb */ color: rgb(63, 105, 217);
/* oklch */ color: oklch(55.3% 0.178 265.4);

Tailwind

colors: {
  custom: {
    50: '#8793e5',
    500: '#3f69d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f69d9;
$custom-light: #8793e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69d9",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 217
  },
  "hsl": {
    "h": 223.636,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55305,
    "c": 0.17817,
    "h": 265.4
  },
  "luminance": 0.1617
}

Semantic roles & 50–950 ramp

primary

#3F69D9

secondary

#DAC99A

accent

#BB3EEA

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F69D9

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

Preview Lab → · Contrast checker → · Palette generator →