#3380BB#3380BB

#3380BB is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.0% C 0.118 H 245.2°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3380BB
RGB	rgb(51, 128, 187)
HSL	hsl(206, 57%, 47%)
HSV	hsv(206, 73%, 73%)
CMYK	cmyk(72.7%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(51.53, -3.67, -37.73)
CIE-LCH	lch(51.53, 37.91, 264.44°)
OKLab	oklab(57.98% -0.0494 -0.1069)
OKLCH	oklch(57.98% 0.118 245.2)
XYZ	xyz(18.0506, 19.7280, 49.8606)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3380BB #BB6E33

analogous

#33BBB2 #3380BB #333CBB

triadic

#3380BB #BB3380 #80BB33

tetradic

#3380BB #B233BB #BB6E33 #3CBB33

square

#3380BB #B233BB #BB6E33 #3CBB33

split-complementary

#3380BB #BB333C #BBB233

monochromatic

#193E5B #265F8B #3380BB #599ED2 #89BADF

Accessibility & contrast

On white

4.25

#3380BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3380BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3380BB

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3380BB	#FFFFFF	#000000	##000000
##3380BB	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BE

Deuteranopia (green-blind)

#5275BA

Tritanopia (blue-blind)

#008E95

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3380bb;
/* rgb */ color: rgb(51, 128, 187);
/* oklch */ color: oklch(58.0% 0.118 245.2);

Tailwind

colors: {
  custom: {
    50: '#7ca4cf',
    500: '#3380bb',
    950: '#000000',
  },
}

SCSS

$custom: #3380bb;
$custom-light: #7ca4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3380bb",
  "rgb": {
    "r": 51,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 206.029,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.57981,
    "c": 0.11776,
    "h": 245.2
  },
  "luminance": 0.1973
}

Semantic roles & 50–950 ramp

primary

#3380BB

secondary

#C9A081

accent

#8A47E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3380BB

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

Preview Lab → · Contrast checker → · Palette generator →