#3969BF#3969BF

#3969BF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.2% C 0.145 H 261.0°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3969BF
RGB	rgb(57, 105, 191)
HSL	hsl(219, 54%, 49%)
HSV	hsv(219, 70%, 75%)
CMYK	cmyk(70.2%, 45%, 0%, 25.1%)
CIE-LAB	lab(45.27, 12.80, -49.97)
CIE-LCH	lch(45.27, 51.58, 284.37°)
OKLab	oklab(53.23% -0.0225 -0.143)
OKLCH	oklch(53.23% 0.145 261)
XYZ	xyz(16.1395, 14.7329, 51.2733)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969BF #BF8F39

analogous

#39ACBF #3969BF #4C39BF

triadic

#3969BF #BF3969 #69BF39

tetradic

#3969BF #BF39AC #BF8F39 #39BF4C

square

#3969BF #BF39AC #BF8F39 #39BF4C

split-complementary

#3969BF #BF4C39 #ACBF39

monochromatic

#1D3561 #2B4F90 #3969BF #648BD1 #93AFDF

Accessibility & contrast

On white

5.32

#3969BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3969BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969BF

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969BF	#FFFFFF	#000000	##FFFFFF
##3969BF	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E72C2

Deuteranopia (green-blind)

#2465BD

Tritanopia (blue-blind)

#007D8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3969bf;
/* rgb */ color: rgb(57, 105, 191);
/* oklch */ color: oklch(53.2% 0.145 261.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3969bf",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 191
  },
  "hsl": {
    "h": 218.507,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53226,
    "c": 0.14476,
    "h": 261
  },
  "luminance": 0.14735
}

Semantic roles & 50–950 ramp

primary

#3969BF

secondary

#CAB38A

accent

#A94ADD

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3969BF

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

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