#3379DB#3379DB

#3379DB is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.3% C 0.166 H 257.6°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3379DB
RGB	rgb(51, 121, 219)
HSL	hsl(215, 70%, 53%)
HSV	hsv(215, 77%, 86%)
CMYK	cmyk(76.7%, 44.7%, 0%, 14.1%)
CIE-LAB	lab(51.26, 12.30, -56.38)
CIE-LCH	lch(51.26, 57.70, 282.31°)
OKLab	oklab(58.34% -0.0355 -0.1616)
OKLCH	oklch(58.34% 0.166 257.6)
XYZ	xyz(20.9841, 19.4906, 69.6602)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3379DB #DB9533

analogous

#33CDDB #3379DB #4133DB

triadic

#3379DB #DB3379 #79DB33

tetradic

#3379DB #DB33CD #DB9533 #33DB41

square

#3379DB #DB33CD #DB9533 #33DB41

split-complementary

#3379DB #DB4133 #CDDB33

monochromatic

#16417D #1F5CB1 #3379DB #679BE4 #9BBDED

Accessibility & contrast

On white

4.29

#3379DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3379DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3379DB

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3379DB	#FFFFFF	#000000	##000000
##3379DB	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4682DF

Deuteranopia (green-blind)

#2173D9

Tritanopia (blue-blind)

#00909F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3379db;
/* rgb */ color: rgb(51, 121, 219);
/* oklch */ color: oklch(58.3% 0.166 257.6);

Tailwind

colors: {
  custom: {
    50: '#829fe7',
    500: '#3379db',
    950: '#000000',
  },
}

SCSS

$custom: #3379db;
$custom-light: #829fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#3379db",
  "rgb": {
    "r": 51,
    "g": 121,
    "b": 219
  },
  "hsl": {
    "h": 215,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58337,
    "c": 0.1655,
    "h": 257.6
  },
  "luminance": 0.19493
}

Semantic roles & 50–950 ramp

primary

#3379DB

secondary

#D9BB91

accent

#A33BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3379DB

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

Preview Lab → · Contrast checker → · Palette generator →