#3383FF#3383FF

#3383FF is a light, highly saturated blue. Relative luminance 0.242; OKLCH L 62.9% C 0.200 H 259.3°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3383FF
RGB	rgb(51, 131, 255)
HSL	hsl(216, 100%, 60%)
HSV	hsv(216, 80%, 100%)
CMYK	cmyk(80%, 48.6%, 0%, 0%)
CIE-LAB	lab(56.24, 19.42, -68.42)
CIE-LCH	lch(56.24, 71.12, 285.84°)
OKLab	oklab(62.9% -0.0373 -0.1969)
OKLCH	oklch(62.9% 0.2 259.3)
XYZ	xyz(27.5249, 24.1531, 97.7997)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3383FF #FFAF33

analogous

#33E9FF #3383FF #4933FF

triadic

#3383FF #FF3383 #83FF33

tetradic

#3383FF #FF33E9 #FFAF33 #33FF49

square

#3383FF #FF33E9 #FFAF33 #33FF49

split-complementary

#3383FF #FF4933 #E9FF33

monochromatic

#0048B8 #0060F5 #3383FF #70A8FF #ADCDFF

Accessibility & contrast

On white

3.60

#3383FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#3383FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3383FF

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3383FF	#FFFFFF	#000000	##000000
##3383FF	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3891FF

Deuteranopia (green-blind)

#007EFD

Tritanopia (blue-blind)

#00A1B5

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3383ff;
/* rgb */ color: rgb(51, 131, 255);
/* oklch */ color: oklch(62.9% 0.200 259.3);

Tailwind

colors: {
  custom: {
    50: '#8aa6ff',
    500: '#3383ff',
    950: '#000000',
  },
}

SCSS

$custom: #3383ff;
$custom-light: #8aa6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#3383ff",
  "rgb": {
    "r": 51,
    "g": 131,
    "b": 255
  },
  "hsl": {
    "h": 216.471,
    "s": 100,
    "l": 60
  },
  "oklch": {
    "l": 0.62895,
    "c": 0.2004,
    "h": 259.3
  },
  "luminance": 0.24156
}

Semantic roles & 50–950 ramp

primary

#3383FF

secondary

#EECFA0

accent

#AB29FF

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #3383FF

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

Preview Lab → · Contrast checker → · Palette generator →