#3969BA#3969BA

#3969BA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 52.9% C 0.138 H 260.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3969BA
RGB	rgb(57, 105, 186)
HSL	hsl(218, 53%, 48%)
HSV	hsv(218, 69%, 73%)
CMYK	cmyk(69.4%, 43.5%, 0%, 27.1%)
CIE-LAB	lab(44.96, 10.97, -47.55)
CIE-LCH	lch(44.96, 48.80, 282.99°)
OKLab	oklab(52.9% -0.0234 -0.1359)
OKLCH	oklch(52.9% 0.138 260.2)
XYZ	xyz(15.5987, 14.5166, 48.4248)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969BA #BA8A39

analogous

#39AABA #3969BA #4939BA

triadic

#3969BA #BA3969 #69BA39

tetradic

#3969BA #BA39AA #BA8A39 #39BA49

square

#3969BA #BA39AA #BA8A39 #39BA49

split-complementary

#3969BA #BA4939 #AABA39

monochromatic

#1C345C #2B4F8B #3969BA #618ACF #90ADDD

Accessibility & contrast

On white

5.38

#3969BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3969BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969BA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969BA	#FFFFFF	#000000	##FFFFFF
##3969BA	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4271BD

Deuteranopia (green-blind)

#2C65B8

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3969ba;
/* rgb */ color: rgb(57, 105, 186);
/* oklch */ color: oklch(52.9% 0.138 260.2);

Tailwind

colors: {
  custom: {
    50: '#7e93cf',
    500: '#3969ba',
    950: '#000000',
  },
}

SCSS

$custom: #3969ba;
$custom-light: #7e93cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3969ba",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 186
  },
  "hsl": {
    "h": 217.674,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52896,
    "c": 0.13791,
    "h": 260.2
  },
  "luminance": 0.14518
}

Semantic roles & 50–950 ramp

primary

#3969BA

secondary

#C8B087

accent

#A64BDC

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3969BA

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

Preview Lab → · Contrast checker → · Palette generator →