#3F61D2#3F61D2

#3F61D2 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.2% C 0.179 H 267.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F61D2
RGB	rgb(63, 97, 210)
HSL	hsl(226, 62%, 54%)
HSV	hsv(226, 70%, 82%)
CMYK	cmyk(70%, 53.8%, 0%, 17.6%)
CIE-LAB	lab(44.60, 25.68, -61.97)
CIE-LCH	lch(44.60, 67.08, 292.51°)
OKLab	oklab(53.19% -0.0082 -0.1783)
OKLCH	oklch(53.19% 0.179 267.4)
XYZ	xyz(17.9534, 14.2575, 62.7661)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F61D2 #D2B03F

analogous

#3FABD2 #3F61D2 #663FD2

triadic

#3F61D2 #D23F61 #61D23F

tetradic

#3F61D2 #D23FAB #D2B03F #3FD266

square

#3F61D2 #D23FAB #D2B03F #3FD266

split-complementary

#3F61D2 #D2663F #ABD23F

monochromatic

#1D327A #2847AC #3F61D2 #718ADE #A2B3E9

Accessibility & contrast

On white

5.45

#3F61D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3F61D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F61D2

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F61D2	#FFFFFF	#000000	##FFFFFF
##3F61D2	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0471D6

Deuteranopia (green-blind)

#0063D0

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f61d2;
/* rgb */ color: rgb(63, 97, 210);
/* oklch */ color: oklch(53.2% 0.179 267.4);

Tailwind

colors: {
  custom: {
    50: '#868de1',
    500: '#3f61d2',
    950: '#000000',
  },
}

SCSS

$custom: #3f61d2;
$custom-light: #868de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f61d2",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 210
  },
  "hsl": {
    "h": 226.122,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.53189,
    "c": 0.17852,
    "h": 267.4
  },
  "luminance": 0.14259
}

Semantic roles & 50–950 ramp

primary

#3F61D2

secondary

#D6C797

accent

#C043E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F61D2

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

Preview Lab → · Contrast checker → · Palette generator →