#3969B6#3969B6

#3969B6 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.6% C 0.132 H 259.4°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3969B6
RGB	rgb(57, 105, 182)
HSL	hsl(217, 52%, 47%)
HSV	hsv(217, 69%, 71%)
CMYK	cmyk(68.7%, 42.3%, 0%, 28.6%)
CIE-LAB	lab(44.73, 9.51, -45.60)
CIE-LCH	lch(44.73, 46.58, 281.78°)
OKLab	oklab(52.64% -0.0242 -0.1302)
OKLCH	oklch(52.64% 0.132 259.4)
XYZ	xyz(15.1794, 14.3489, 46.2165)
Luminance	0.1435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969B6 #B68639

analogous

#39A8B6 #3969B6 #4839B6

triadic

#3969B6 #B63969 #69B639

tetradic

#3969B6 #B639A8 #B68639 #39B648

square

#3969B6 #B639A8 #B68639 #39B648

split-complementary

#3969B6 #B64839 #A8B639

monochromatic

#1C3359 #2A4E87 #3969B6 #5F89CD #8EACDC

Accessibility & contrast

On white

5.43

#3969B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3969B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969B6

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969B6	#FFFFFF	#000000	##FFFFFF
##3969B6	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4570B9

Deuteranopia (green-blind)

#3064B4

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3969b6;
/* rgb */ color: rgb(57, 105, 182);
/* oklch */ color: oklch(52.6% 0.132 259.4);

Tailwind

colors: {
  custom: {
    50: '#7d93cc',
    500: '#3969b6',
    950: '#000000',
  },
}

SCSS

$custom: #3969b6;
$custom-light: #7d93cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3969b6",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 182
  },
  "hsl": {
    "h": 216.96,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52637,
    "c": 0.13241,
    "h": 259.4
  },
  "luminance": 0.1435
}

Semantic roles & 50–950 ramp

primary

#3969B6

secondary

#C6AD85

accent

#A54CDC

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3969B6

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

Preview Lab → · Contrast checker → · Palette generator →