#3383BC#3383BC

#3383BC is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.7% C 0.116 H 243.5°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3383BC
RGB	rgb(51, 131, 188)
HSL	hsl(205, 57%, 47%)
HSV	hsv(205, 73%, 74%)
CMYK	cmyk(72.9%, 30.3%, 0%, 26.3%)
CIE-LAB	lab(52.47, -5.08, -36.82)
CIE-LCH	lch(52.47, 37.17, 262.15°)
OKLab	oklab(58.74% -0.052 -0.1042)
OKLCH	oklch(58.74% 0.116 243.5)
XYZ	xyz(18.5551, 20.5651, 50.5588)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3383BC #BC6C33

analogous

#33BCB1 #3383BC #333EBC

triadic

#3383BC #BC3383 #83BC33

tetradic

#3383BC #B133BC #BC6C33 #3EBC33

square

#3383BC #B133BC #BC6C33 #3EBC33

split-complementary

#3383BC #BC333E #BCB133

monochromatic

#19405C #26618C #3383BC #5AA0D2 #8ABCDF

Accessibility & contrast

On white

4.11

#3383BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#3383BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3383BC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3383BC	#FFFFFF	#000000	##000000
##3383BC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BF

Deuteranopia (green-blind)

#5677BB

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3383bc;
/* rgb */ color: rgb(51, 131, 188);
/* oklch */ color: oklch(58.7% 0.116 243.5);

Tailwind

colors: {
  custom: {
    50: '#7ca6d0',
    500: '#3383bc',
    950: '#000000',
  },
}

SCSS

$custom: #3383bc;
$custom-light: #7ca6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3383bc",
  "rgb": {
    "r": 51,
    "g": 131,
    "b": 188
  },
  "hsl": {
    "h": 204.964,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.58741,
    "c": 0.11648,
    "h": 243.5
  },
  "luminance": 0.20567
}

Semantic roles & 50–950 ramp

primary

#3383BC

secondary

#C99F81

accent

#8747E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3383BC

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

Preview Lab → · Contrast checker → · Palette generator →