#3377DB#3377DB

#3377DB is a mid, vivid blue. Relative luminance 0.190; OKLCH L 57.9% C 0.168 H 258.4°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3377DB
RGB	rgb(51, 119, 219)
HSL	hsl(216, 70%, 53%)
HSV	hsv(216, 77%, 86%)
CMYK	cmyk(76.7%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(50.70, 13.54, -57.27)
CIE-LCH	lch(50.70, 58.85, 283.30°)
OKLab	oklab(57.91% -0.0339 -0.1643)
OKLCH	oklch(57.91% 0.168 258.4)
XYZ	xyz(20.7436, 19.0095, 69.5800)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3377DB #DB9733

analogous

#33CBDB #3377DB #4333DB

triadic

#3377DB #DB3377 #77DB33

tetradic

#3377DB #DB33CB #DB9733 #33DB43

square

#3377DB #DB33CB #DB9733 #33DB43

split-complementary

#3377DB #DB4333 #CBDB33

monochromatic

#16407D #1F5AB1 #3377DB #679AE4 #9BBCED

Accessibility & contrast

On white

4.37

#3377DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#3377DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3377DB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3377DB	#FFFFFF	#000000	##000000
##3377DB	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4281DF

Deuteranopia (green-blind)

#1972D9

Tritanopia (blue-blind)

#008F9E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3377db;
/* rgb */ color: rgb(51, 119, 219);
/* oklch */ color: oklch(57.9% 0.168 258.4);

Tailwind

colors: {
  custom: {
    50: '#829de7',
    500: '#3377db',
    950: '#000000',
  },
}

SCSS

$custom: #3377db;
$custom-light: #829de7;
$custom-dark: #000000;

JSON

{
  "hex": "#3377db",
  "rgb": {
    "r": 51,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 215.714,
    "s": 70,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57906,
    "c": 0.16777,
    "h": 258.4
  },
  "luminance": 0.19012
}

Semantic roles & 50–950 ramp

primary

#3377DB

secondary

#D9BC91

accent

#A53BED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3377DB

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

Preview Lab → · Contrast checker → · Palette generator →