#3969C8#3969C8

#3969C8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.157 H 262.3°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3969C8
RGB	rgb(57, 105, 200)
HSL	hsl(220, 57%, 50%)
HSV	hsv(220, 72%, 78%)
CMYK	cmyk(71.5%, 47.5%, 0%, 21.6%)
CIE-LAB	lab(45.83, 16.10, -54.26)
CIE-LCH	lch(45.83, 56.60, 286.53°)
OKLab	oklab(53.84% -0.0211 -0.1556)
OKLCH	oklch(53.84% 0.157 262.3)
XYZ	xyz(17.1605, 15.1413, 56.6506)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969C8 #C89839

analogous

#39B1C8 #3969C8 #5039C8

triadic

#3969C8 #C83969 #69C839

tetradic

#3969C8 #C839B1 #C89839 #39C850

square

#3969C8 #C839B1 #C89839 #39C850

split-complementary

#3969C8 #C85039 #B1C839

monochromatic

#1D3769 #2B5099 #3969C8 #698DD5 #99B2E3

Accessibility & contrast

On white

5.21

#3969C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3969C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969C8

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969C8	#FFFFFF	#000000	##FFFFFF
##3969C8	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3674CC

Deuteranopia (green-blind)

#0F66C6

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3969c8;
/* rgb */ color: rgb(57, 105, 200);
/* oklch */ color: oklch(53.8% 0.157 262.3);

Tailwind

colors: {
  custom: {
    50: '#8193d9',
    500: '#3969c8',
    950: '#000000',
  },
}

SCSS

$custom: #3969c8;
$custom-light: #8193d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3969c8",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 200
  },
  "hsl": {
    "h": 219.86,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53837,
    "c": 0.15705,
    "h": 262.3
  },
  "luminance": 0.15143
}

Semantic roles & 50–950 ramp

primary

#3969C8

secondary

#CEB98F

accent

#AD48E0

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3969C8

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

Preview Lab → · Contrast checker → · Palette generator →