#3F68CD#3F68CD

#3F68CD is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.2% C 0.163 H 264.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F68CD
RGB	rgb(63, 104, 205)
HSL	hsl(223, 59%, 53%)
HSV	hsv(223, 69%, 80%)
CMYK	cmyk(69.3%, 49.3%, 0%, 19.6%)
CIE-LAB	lab(46.13, 19.42, -56.63)
CIE-LCH	lch(46.13, 59.87, 288.93°)
OKLab	oklab(54.24% -0.0146 -0.1625)
OKLCH	oklch(54.24% 0.163 264.8)
XYZ	xyz(18.0158, 15.3633, 59.7617)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68CD #CDA43F

analogous

#3FAFCD #3F68CD #5D3FCD

triadic

#3F68CD #CD3F68 #68CD3F

tetradic

#3F68CD #CD3FAF #CDA43F #3FCD5D

square

#3F68CD #CD3FAF #CDA43F #3FCD5D

split-complementary

#3F68CD #CD5D3F #AFCD3F

monochromatic

#1E3774 #2B4EA4 #3F68CD #708EDA #A0B4E6

Accessibility & contrast

On white

5.16

#3F68CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3F68CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68CD

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68CD	#FFFFFF	#000000	##FFFFFF
##3F68CD	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F74D1

Deuteranopia (green-blind)

#0067CB

Tritanopia (blue-blind)

#008091

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f68cd;
/* rgb */ color: rgb(63, 104, 205);
/* oklch */ color: oklch(54.2% 0.163 264.8);

Tailwind

colors: {
  custom: {
    50: '#8492dd',
    500: '#3f68cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f68cd;
$custom-light: #8492dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68cd",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 205
  },
  "hsl": {
    "h": 222.676,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5424,
    "c": 0.16318,
    "h": 264.8
  },
  "luminance": 0.15365
}

Semantic roles & 50–950 ramp

primary

#3F68CD

secondary

#D3C195

accent

#B546E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3F68CD

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

Preview Lab → · Contrast checker → · Palette generator →