#3F69C5#3F69C5

#3F69C5 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.9% C 0.151 H 263.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3F69C5
RGB	rgb(63, 105, 197)
HSL	hsl(221, 54%, 51%)
HSV	hsv(221, 68%, 77%)
CMYK	cmyk(68%, 46.7%, 0%, 22.7%)
CIE-LAB	lab(45.89, 15.90, -52.41)
CIE-LCH	lch(45.89, 54.77, 286.88°)
OKLab	oklab(53.9% -0.0167 -0.1501)
OKLCH	oklch(53.9% 0.151 263.7)
XYZ	xyz(17.1760, 15.1894, 54.8392)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69C5 #C59B3F

analogous

#3FACC5 #3F69C5 #583FC5

triadic

#3F69C5 #C53F69 #69C53F

tetradic

#3F69C5 #C53FAC #C59B3F #3FC558

square

#3F69C5 #C53FAC #C59B3F #3FC558

split-complementary

#3F69C5 #C5583F #ACC53F

monochromatic

#20376A #2E5099 #3F69C5 #6E8ED3 #9DB2E1

Accessibility & contrast

On white

5.20

#3F69C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3F69C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69C5

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69C5	#FFFFFF	#000000	##FFFFFF
##3F69C5	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A73C8

Deuteranopia (green-blind)

#1D67C3

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f69c5;
/* rgb */ color: rgb(63, 105, 197);
/* oklch */ color: oklch(53.9% 0.151 263.7);

Tailwind

colors: {
  custom: {
    50: '#8393d7',
    500: '#3f69c5',
    950: '#000000',
  },
}

SCSS

$custom: #3f69c5;
$custom-light: #8393d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69c5",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 197
  },
  "hsl": {
    "h": 221.194,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53897,
    "c": 0.15101,
    "h": 263.7
  },
  "luminance": 0.15191
}

Semantic roles & 50–950 ramp

primary

#3F69C5

secondary

#CEBB92

accent

#AF4BDD

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F69C5

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

Preview Lab → · Contrast checker → · Palette generator →