#3969E9#3969E9

#3969E9 is a mid, highly saturated blue. Relative luminance 0.169; OKLCH L 56.3% C 0.201 H 265.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3969E9
RGB	rgb(57, 105, 233)
HSL	hsl(224, 80%, 57%)
HSV	hsv(224, 76%, 91%)
CMYK	cmyk(75.5%, 54.9%, 0%, 8.6%)
CIE-LAB	lab(48.08, 28.19, -69.39)
CIE-LCH	lch(48.08, 74.90, 292.11°)
OKLab	oklab(56.26% -0.0176 -0.2001)
OKLCH	oklch(56.26% 0.201 265)
XYZ	xyz(21.4417, 16.8538, 79.1981)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969E9 #E9B939

analogous

#39C1E9 #3969E9 #6139E9

triadic

#3969E9 #E93969 #69E939

tetradic

#3969E9 #E939C1 #E9B939 #39E961

square

#3969E9 #E939C1 #E9B939 #39E961

split-complementary

#3969E9 #E96139 #C1E939

monochromatic

#113597 #1749CE #3969E9 #7093EF #A7BCF5

Accessibility & contrast

On white

4.80

#3969E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3969E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969E9

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969E9	#FFFFFF	#000000	##FFFFFF
##3969E9	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BED

Deuteranopia (green-blind)

#006AE6

Tritanopia (blue-blind)

#00899F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3969e9;
/* rgb */ color: rgb(57, 105, 233);
/* oklch */ color: oklch(56.3% 0.201 265.0);

Tailwind

colors: {
  custom: {
    50: '#8893f1',
    500: '#3969e9',
    950: '#000000',
  },
}

SCSS

$custom: #3969e9;
$custom-light: #8893f1;
$custom-dark: #000000;

JSON

{
  "hex": "#3969e9",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 233
  },
  "hsl": {
    "h": 223.636,
    "s": 80,
    "l": 56.863
  },
  "oklch": {
    "l": 0.5626,
    "c": 0.20091,
    "h": 265
  },
  "luminance": 0.16856
}

Semantic roles & 50–950 ramp

primary

#3969E9

secondary

#E3CF9B

accent

#C131F6

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3969E9

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

Preview Lab → · Contrast checker → · Palette generator →