#3976DA#3976DA

#3976DA is a mid, vivid blue. Relative luminance 0.189; OKLCH L 57.8% C 0.166 H 259.8°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3976DA
RGB	rgb(57, 118, 218)
HSL	hsl(217, 69%, 54%)
HSV	hsv(217, 74%, 85%)
CMYK	cmyk(73.9%, 45.9%, 0%, 14.5%)
CIE-LAB	lab(50.55, 14.52, -56.93)
CIE-LCH	lch(50.55, 58.75, 284.30°)
OKLab	oklab(57.83% -0.0293 -0.1632)
OKLCH	oklch(57.83% 0.166 259.8)
XYZ	xyz(20.8161, 18.8864, 68.8644)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3976DA #DA9D39

analogous

#39C7DA #3976DA #4D39DA

triadic

#3976DA #DA3976 #76DA39

tetradic

#3976DA #DA39C7 #DA9D39 #39DA4D

square

#3976DA #DA39C7 #DA9D39 #39DA4D

split-complementary

#3976DA #DA4D39 #C7DA39

monochromatic

#184081 #2259B4 #3976DA #6D9AE4 #A0BDED

Accessibility & contrast

On white

4.40

#3976DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#3976DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3976DA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3976DA	#FFFFFF	#000000	##000000
##3976DA	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4180DE

Deuteranopia (green-blind)

#1B71D8

Tritanopia (blue-blind)

#008E9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3976da;
/* rgb */ color: rgb(57, 118, 218);
/* oklch */ color: oklch(57.8% 0.166 259.8);

Tailwind

colors: {
  custom: {
    50: '#849ce6',
    500: '#3976da',
    950: '#000000',
  },
}

SCSS

$custom: #3976da;
$custom-light: #849ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#3976da",
  "rgb": {
    "r": 57,
    "g": 118,
    "b": 218
  },
  "hsl": {
    "h": 217.267,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5783,
    "c": 0.16586,
    "h": 259.8
  },
  "luminance": 0.18889
}

Semantic roles & 50–950 ramp

primary

#3976DA

secondary

#DAC095

accent

#A93CEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3976DA

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

Preview Lab → · Contrast checker → · Palette generator →