#3F68CE#3F68CE

#3F68CE is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.3% C 0.165 H 264.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F68CE
RGB	rgb(63, 104, 206)
HSL	hsl(223, 59%, 53%)
HSV	hsv(223, 69%, 81%)
CMYK	cmyk(69.4%, 49.5%, 0%, 19.2%)
CIE-LAB	lab(46.19, 19.78, -57.10)
CIE-LCH	lch(46.19, 60.43, 289.11°)
OKLab	oklab(54.31% -0.0145 -0.1639)
OKLCH	oklch(54.31% 0.165 264.9)
XYZ	xyz(18.1369, 15.4118, 60.3995)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68CE #CEA53F

analogous

#3FB0CE #3F68CE #5D3FCE

triadic

#3F68CE #CE3F68 #68CE3F

tetradic

#3F68CE #CE3FB0 #CEA53F #3FCE5D

square

#3F68CE #CE3FB0 #CEA53F #3FCE5D

split-complementary

#3F68CE #CE5D3F #B0CE3F

monochromatic

#1E3775 #2A4EA6 #3F68CE #708EDA #A1B5E7

Accessibility & contrast

On white

5.14

#3F68CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3F68CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68CE

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68CE	#FFFFFF	#000000	##FFFFFF
##3F68CE	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E74D2

Deuteranopia (green-blind)

#0067CC

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f68ce;
/* rgb */ color: rgb(63, 104, 206);
/* oklch */ color: oklch(54.3% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#8592de',
    500: '#3f68ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f68ce;
$custom-light: #8592de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68ce",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 206
  },
  "hsl": {
    "h": 222.797,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5431,
    "c": 0.16454,
    "h": 264.9
  },
  "luminance": 0.15414
}

Semantic roles & 50–950 ramp

primary

#3F68CE

secondary

#D3C295

accent

#B545E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3F68CE

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

Preview Lab → · Contrast checker → · Palette generator →