#3390BC#3390BC

#3390BC is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.108 H 233.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3390BC
RGB	rgb(51, 144, 188)
HSL	hsl(199, 57%, 47%)
HSV	hsv(199, 73%, 74%)
CMYK	cmyk(72.9%, 23.4%, 0%, 26.3%)
CIE-LAB	lab(56.37, -12.50, -30.73)
CIE-LCH	lch(56.37, 33.18, 247.87°)
OKLab	oklab(61.83% -0.0648 -0.0864)
OKLCH	oklch(61.83% 0.108 233.1)
XYZ	xyz(20.4120, 24.2788, 51.1777)
Luminance	0.2428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3390BC #BC5F33

analogous

#33BCA4 #3390BC #334CBC

triadic

#3390BC #BC3390 #90BC33

tetradic

#3390BC #A433BC #BC5F33 #4CBC33

square

#3390BC #A433BC #BC5F33 #4CBC33

split-complementary

#3390BC #BC334C #BCA433

monochromatic

#19465C #266B8C #3390BC #5AACD2 #8AC4DF

Accessibility & contrast

On white

3.59

#3390BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3390BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390BC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3390BC	#FFFFFF	#000000	##000000
##3390BC	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8FBE

Deuteranopia (green-blind)

#6881BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3390bc;
/* rgb */ color: rgb(51, 144, 188);
/* oklch */ color: oklch(61.8% 0.108 233.1);

Tailwind

colors: {
  custom: {
    50: '#7db0d0',
    500: '#3390bc',
    950: '#000000',
  },
}

SCSS

$custom: #3390bc;
$custom-light: #7db0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3390bc",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 188
  },
  "hsl": {
    "h": 199.27,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.61833,
    "c": 0.10804,
    "h": 233.1
  },
  "luminance": 0.24281
}

Semantic roles & 50–950 ramp

primary

#3390BC

secondary

#C99981

accent

#7847E1

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3390BC

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

Preview Lab → · Contrast checker → · Palette generator →