#3F69C1#3F69C1

#3F69C1 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.6% C 0.145 H 263.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F69C1
RGB	rgb(63, 105, 193)
HSL	hsl(221, 51%, 50%)
HSV	hsv(221, 67%, 76%)
CMYK	cmyk(67.4%, 45.6%, 0%, 24.3%)
CIE-LAB	lab(45.65, 14.46, -50.50)
CIE-LCH	lch(45.65, 52.53, 285.98°)
OKLab	oklab(53.63% -0.0173 -0.1445)
OKLCH	oklch(53.63% 0.146 263.2)
XYZ	xyz(16.7237, 15.0085, 52.4573)
Luminance	0.1501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69C1 #C1973F

analogous

#3FAAC1 #3F69C1 #563FC1

triadic

#3F69C1 #C13F69 #69C13F

tetradic

#3F69C1 #C13FAA #C1973F #3FC156

square

#3F69C1 #C13FAA #C1973F #3FC156

split-complementary

#3F69C1 #C1563F #AAC13F

monochromatic

#213765 #305093 #3F69C1 #6D8DD0 #9CB1DF

Accessibility & contrast

On white

5.25

#3F69C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3F69C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69C1

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69C1	#FFFFFF	#000000	##FFFFFF
##3F69C1	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D72C4

Deuteranopia (green-blind)

#2566BF

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f69c1;
/* rgb */ color: rgb(63, 105, 193);
/* oklch */ color: oklch(53.6% 0.145 263.2);

Tailwind

colors: {
  custom: {
    50: '#8293d4',
    500: '#3f69c1',
    950: '#000000',
  },
}

SCSS

$custom: #3f69c1;
$custom-light: #8293d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69c1",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 193
  },
  "hsl": {
    "h": 220.615,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.53628,
    "c": 0.1455,
    "h": 263.2
  },
  "luminance": 0.1501
}

Semantic roles & 50–950 ramp

primary

#3F69C1

secondary

#CBB891

accent

#AD4DDB

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F69C1

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

Preview Lab → · Contrast checker → · Palette generator →