#3389BC#3389BC

#3389BC is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.112 H 238.9°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3389BC
RGB	rgb(51, 137, 188)
HSL	hsl(202, 57%, 47%)
HSV	hsv(202, 73%, 74%)
CMYK	cmyk(72.9%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.26, -8.55, -34.01)
CIE-LCH	lch(54.26, 35.07, 255.89°)
OKLab	oklab(60.16% -0.0579 -0.096)
OKLCH	oklch(60.16% 0.112 238.9)
XYZ	xyz(19.3844, 22.2238, 50.8352)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3389BC #BC6633

analogous

#33BCAB #3389BC #3344BC

triadic

#3389BC #BC3389 #89BC33

tetradic

#3389BC #AB33BC #BC6633 #44BC33

square

#3389BC #AB33BC #BC6633 #44BC33

split-complementary

#3389BC #BC3344 #BCAB33

monochromatic

#19435C #26668C #3389BC #5AA5D2 #8AC0DF

Accessibility & contrast

On white

3.86

#3389BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3389BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3389BC

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3389BC	#FFFFFF	#000000	##000000
##3389BC	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BE

Deuteranopia (green-blind)

#5E7CBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3389bc;
/* rgb */ color: rgb(51, 137, 188);
/* oklch */ color: oklch(60.2% 0.112 238.9);

Tailwind

colors: {
  custom: {
    50: '#7cabd0',
    500: '#3389bc',
    950: '#000000',
  },
}

SCSS

$custom: #3389bc;
$custom-light: #7cabd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3389bc",
  "rgb": {
    "r": 51,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 202.336,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.60161,
    "c": 0.1121,
    "h": 238.9
  },
  "luminance": 0.22226
}

Semantic roles & 50–950 ramp

primary

#3389BC

secondary

#C99C81

accent

#8047E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3389BC

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

Preview Lab → · Contrast checker → · Palette generator →