#3F61CD#3F61CD

#3F61CD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.8% C 0.172 H 267.1°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3F61CD
RGB	rgb(63, 97, 205)
HSL	hsl(226, 59%, 53%)
HSV	hsv(226, 69%, 80%)
CMYK	cmyk(69.3%, 52.7%, 0%, 19.6%)
CIE-LAB	lab(44.25, 23.88, -59.67)
CIE-LCH	lch(44.25, 64.27, 291.81°)
OKLab	oklab(52.81% -0.0086 -0.1715)
OKLCH	oklch(52.81% 0.172 267.1)
XYZ	xyz(17.3402, 14.0122, 59.5365)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F61CD #CDAB3F

analogous

#3FA8CD #3F61CD #643FCD

triadic

#3F61CD #CD3F61 #61CD3F

tetradic

#3F61CD #CD3FA8 #CDAB3F #3FCD64

square

#3F61CD #CD3FA8 #CDAB3F #3FCD64

split-complementary

#3F61CD #CD643F #A8CD3F

monochromatic

#1E3374 #2B48A4 #3F61CD #7089DA #A0B1E6

Accessibility & contrast

On white

5.52

#3F61CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3F61CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F61CD

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F61CD	#FFFFFF	#000000	##FFFFFF
##3F61CD	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176FD1

Deuteranopia (green-blind)

#0062CB

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f61cd;
/* rgb */ color: rgb(63, 97, 205);
/* oklch */ color: oklch(52.8% 0.172 267.1);

Tailwind

colors: {
  custom: {
    50: '#858ddd',
    500: '#3f61cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f61cd;
$custom-light: #858ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f61cd",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 205
  },
  "hsl": {
    "h": 225.634,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52814,
    "c": 0.17177,
    "h": 267.1
  },
  "luminance": 0.14014
}

Semantic roles & 50–950 ramp

primary

#3F61CD

secondary

#D3C495

accent

#BD46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F61CD

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

Preview Lab → · Contrast checker → · Palette generator →