#3278DD#3278DD

#3278DD is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.2% C 0.170 H 258.1°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3278DD
RGB	rgb(50, 120, 221)
HSL	hsl(215, 72%, 53%)
HSV	hsv(215, 77%, 87%)
CMYK	cmyk(77.4%, 45.7%, 0%, 13.3%)
CIE-LAB	lab(51.07, 13.55, -57.80)
CIE-LCH	lch(51.07, 59.37, 283.19°)
OKLab	oklab(58.22% -0.0349 -0.1659)
OKLCH	oklch(58.22% 0.17 258.1)
XYZ	xyz(21.0782, 19.3290, 71.0126)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3278DD #DD9732

analogous

#32CDDD #3278DD #4232DD

triadic

#3278DD #DD3278 #78DD32

tetradic

#3278DD #DD32CD #DD9732 #32DD42

square

#3278DD #DD32CD #DD9732 #32DD42

split-complementary

#3278DD #DD4232 #CDDD32

monochromatic

#15417F #1E5BB4 #3278DD #669BE6 #9BBDEE

Accessibility & contrast

On white

4.32

#3278DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#3278DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3278DD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3278DD	#FFFFFF	#000000	##000000
##3278DD	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4282E1

Deuteranopia (green-blind)

#1772DB

Tritanopia (blue-blind)

#0090A0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3278dd;
/* rgb */ color: rgb(50, 120, 221);
/* oklch */ color: oklch(58.2% 0.170 258.1);

Tailwind

colors: {
  custom: {
    50: '#829ee8',
    500: '#3278dd',
    950: '#000000',
  },
}

SCSS

$custom: #3278dd;
$custom-light: #829ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#3278dd",
  "rgb": {
    "r": 50,
    "g": 120,
    "b": 221
  },
  "hsl": {
    "h": 215.439,
    "s": 71.548,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.16952,
    "h": 258.1
  },
  "luminance": 0.19332
}

Semantic roles & 50–950 ramp

primary

#3278DD

secondary

#DABC91

accent

#A43AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3278DD

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

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