#3F61CF#3F61CF

#3F61CF is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.174 H 267.2°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F61CF
RGB	rgb(63, 97, 207)
HSL	hsl(226, 60%, 53%)
HSV	hsv(226, 70%, 81%)
CMYK	cmyk(69.6%, 53.1%, 0%, 18.8%)
CIE-LAB	lab(44.39, 24.60, -60.59)
CIE-LCH	lch(44.39, 65.39, 292.10°)
OKLab	oklab(52.96% -0.0084 -0.1743)
OKLCH	oklch(52.96% 0.174 267.2)
XYZ	xyz(17.5832, 14.1094, 60.8161)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F61CF #CFAD3F

analogous

#3FA9CF #3F61CF #653FCF

triadic

#3F61CF #CF3F61 #61CF3F

tetradic

#3F61CF #CF3FA9 #CFAD3F #3FCF65

square

#3F61CF #CF3FA9 #CFAD3F #3FCF65

split-complementary

#3F61CF #CF653F #A9CF3F

monochromatic

#1E3276 #2A47A7 #3F61CF #7089DB #A1B2E7

Accessibility & contrast

On white

5.49

#3F61CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3F61CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F61CF

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F61CF	#FFFFFF	#000000	##FFFFFF
##3F61CF	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1170D3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3f61cf;
/* rgb */ color: rgb(63, 97, 207);
/* oklch */ color: oklch(53.0% 0.174 267.2);

Tailwind

colors: {
  custom: {
    50: '#858dde',
    500: '#3f61cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f61cf;
$custom-light: #858dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3f61cf",
  "rgb": {
    "r": 63,
    "g": 97,
    "b": 207
  },
  "hsl": {
    "h": 225.833,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52963,
    "c": 0.17447,
    "h": 267.2
  },
  "luminance": 0.14111
}

Semantic roles & 50–950 ramp

primary

#3F61CF

secondary

#D4C596

accent

#BE45E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F61CF

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

Preview Lab → · Contrast checker → · Palette generator →