#3969C0#3969C0

#3969C0 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.3% C 0.146 H 261.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3969C0
RGB	rgb(57, 105, 192)
HSL	hsl(219, 54%, 49%)
HSV	hsv(219, 70%, 75%)
CMYK	cmyk(70.3%, 45.3%, 0%, 24.7%)
CIE-LAB	lab(45.33, 13.16, -50.45)
CIE-LCH	lch(45.33, 52.14, 284.63°)
OKLab	oklab(53.29% -0.0224 -0.1444)
OKLCH	oklch(53.29% 0.146 261.2)
XYZ	xyz(16.2499, 14.7771, 51.8548)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969C0 #C09039

analogous

#39ADC0 #3969C0 #4D39C0

triadic

#3969C0 #C03969 #69C039

tetradic

#3969C0 #C039AD #C09039 #39C04D

square

#3969C0 #C039AD #C09039 #39C04D

split-complementary

#3969C0 #C04D39 #ADC039

monochromatic

#1D3562 #2B4F91 #3969C0 #658BD1 #94AFDF

Accessibility & contrast

On white

5.31

#3969C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3969C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969C0

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969C0	#FFFFFF	#000000	##FFFFFF
##3969C0	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D72C3

Deuteranopia (green-blind)

#2365BE

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3969c0;
/* rgb */ color: rgb(57, 105, 192);
/* oklch */ color: oklch(53.3% 0.146 261.2);

Tailwind

colors: {
  custom: {
    50: '#7f93d3',
    500: '#3969c0',
    950: '#000000',
  },
}

SCSS

$custom: #3969c0;
$custom-light: #7f93d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3969c0",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 192
  },
  "hsl": {
    "h": 218.667,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.53292,
    "c": 0.14613,
    "h": 261.2
  },
  "luminance": 0.14779
}

Semantic roles & 50–950 ramp

primary

#3969C0

secondary

#CBB48A

accent

#A94ADE

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3969C0

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

Preview Lab → · Contrast checker → · Palette generator →