#3969B5#3969B5

#3969B5 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.6% C 0.131 H 259.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3969B5
RGB	rgb(57, 105, 181)
HSL	hsl(217, 52%, 47%)
HSV	hsv(217, 69%, 71%)
CMYK	cmyk(68.5%, 42%, 0%, 29%)
CIE-LAB	lab(44.67, 9.15, -45.11)
CIE-LCH	lch(44.67, 46.03, 281.46°)
OKLab	oklab(52.57% -0.0244 -0.1287)
OKLCH	oklch(52.57% 0.131 259.2)
XYZ	xyz(15.0764, 14.3077, 45.6742)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969B5 #B58539

analogous

#39A7B5 #3969B5 #4739B5

triadic

#3969B5 #B53969 #69B539

tetradic

#3969B5 #B539A7 #B58539 #39B547

square

#3969B5 #B539A7 #B58539 #39B547

split-complementary

#3969B5 #B54739 #A7B539

monochromatic

#1C3358 #2A4E86 #3969B5 #5F89CD #8DABDB

Accessibility & contrast

On white

5.44

#3969B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3969B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969B5

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969B5	#FFFFFF	#000000	##FFFFFF
##3969B5	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4570B8

Deuteranopia (green-blind)

#3164B3

Tritanopia (blue-blind)

#007B86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3969b5;
/* rgb */ color: rgb(57, 105, 181);
/* oklch */ color: oklch(52.6% 0.131 259.2);

Tailwind

colors: {
  custom: {
    50: '#7d93cb',
    500: '#3969b5',
    950: '#000000',
  },
}

SCSS

$custom: #3969b5;
$custom-light: #7d93cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3969b5",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 181
  },
  "hsl": {
    "h": 216.774,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52574,
    "c": 0.13103,
    "h": 259.2
  },
  "luminance": 0.14309
}

Semantic roles & 50–950 ramp

primary

#3969B5

secondary

#C6AC84

accent

#A44CDC

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3969B5

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

Preview Lab → · Contrast checker → · Palette generator →