#3968B7#3968B7

#3968B7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.5% C 0.135 H 260.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3968B7
RGB	rgb(57, 104, 183)
HSL	hsl(218, 53%, 47%)
HSV	hsv(218, 69%, 72%)
CMYK	cmyk(68.9%, 43.2%, 0%, 28.2%)
CIE-LAB	lab(44.50, 10.51, -46.55)
CIE-LCH	lch(44.50, 47.72, 282.72°)
OKLab	oklab(52.48% -0.0231 -0.133)
OKLCH	oklch(52.48% 0.135 260.2)
XYZ	xyz(15.1818, 14.1878, 46.7290)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968B7 #B78839

analogous

#39A7B7 #3968B7 #4939B7

triadic

#3968B7 #B73968 #68B739

tetradic

#3968B7 #B739A7 #B78839 #39B749

square

#3968B7 #B739A7 #B78839 #39B749

split-complementary

#3968B7 #B74939 #A7B739

monochromatic

#1C335A #2A4D88 #3968B7 #6089CD #8EABDC

Accessibility & contrast

On white

5.47

#3968B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3968B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968B7

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968B7	#FFFFFF	#000000	##FFFFFF
##3968B7	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4270BA

Deuteranopia (green-blind)

#2D64B5

Tritanopia (blue-blind)

#007A86

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3968b7;
/* rgb */ color: rgb(57, 104, 183);
/* oklch */ color: oklch(52.5% 0.135 260.2);

Tailwind

colors: {
  custom: {
    50: '#7e92cd',
    500: '#3968b7',
    950: '#000000',
  },
}

SCSS

$custom: #3968b7;
$custom-light: #7e92cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3968b7",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 183
  },
  "hsl": {
    "h": 217.619,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5248,
    "c": 0.13495,
    "h": 260.2
  },
  "luminance": 0.14189
}

Semantic roles & 50–950 ramp

primary

#3968B7

secondary

#C7AE85

accent

#A64CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D13

muted

#7C7D82

Preview Lab

Preview with #3968B7

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

Preview Lab → · Contrast checker → · Palette generator →