#3F69CC#3F69CC

#3F69CC is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.4% C 0.161 H 264.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F69CC
RGB	rgb(63, 105, 204)
HSL	hsl(222, 58%, 52%)
HSV	hsv(222, 69%, 80%)
CMYK	cmyk(69.1%, 48.5%, 0%, 20%)
CIE-LAB	lab(46.34, 18.43, -55.73)
CIE-LCH	lch(46.34, 58.69, 288.30°)
OKLab	oklab(54.38% -0.0157 -0.1598)
OKLCH	oklch(54.38% 0.161 264.4)
XYZ	xyz(17.9967, 15.5177, 59.1618)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69CC #CCA23F

analogous

#3FAFCC #3F69CC #5C3FCC

triadic

#3F69CC #CC3F69 #69CC3F

tetradic

#3F69CC #CC3FAF #CCA23F #3FCC5C

square

#3F69CC #CC3FAF #CCA23F #3FCC5C

split-complementary

#3F69CC #CC5C3F #AFCC3F

monochromatic

#1E3772 #2B4FA3 #3F69CC #6F8FD9 #A0B5E6

Accessibility & contrast

On white

5.12

#3F69CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3F69CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69CC

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69CC	#FFFFFF	#000000	##FFFFFF
##3F69CC	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3375D0

Deuteranopia (green-blind)

#0768CA

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f69cc;
/* rgb */ color: rgb(63, 105, 204);
/* oklch */ color: oklch(54.4% 0.161 264.4);

Tailwind

colors: {
  custom: {
    50: '#8493dc',
    500: '#3f69cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f69cc;
$custom-light: #8493dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69cc",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 204
  },
  "hsl": {
    "h": 222.128,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54377,
    "c": 0.16061,
    "h": 264.4
  },
  "luminance": 0.1552
}

Semantic roles & 50–950 ramp

primary

#3F69CC

secondary

#D2C095

accent

#B347E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F69CC

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

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