#3390B9#3390B9

#3390B9 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.7% C 0.105 H 231.2°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3390B9
RGB	rgb(51, 144, 185)
HSL	hsl(198, 57%, 46%)
HSV	hsv(198, 72%, 73%)
CMYK	cmyk(72.4%, 22.2%, 0%, 27.5%)
CIE-LAB	lab(56.24, -13.52, -29.23)
CIE-LCH	lch(56.24, 32.20, 245.17°)
OKLab	oklab(61.69% -0.0659 -0.0821)
OKLCH	oklch(61.69% 0.105 231.2)
XYZ	xyz(20.0919, 24.1508, 49.4922)
Luminance	0.2415 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3390B9 #B95C33

analogous

#33B99F #3390B9 #334DB9

triadic

#3390B9 #B93390 #90B933

tetradic

#3390B9 #9F33B9 #B95C33 #4DB933

square

#3390B9 #9F33B9 #B95C33 #4DB933

split-complementary

#3390B9 #B9334D #B99F33

monochromatic

#194559 #266B89 #3390B9 #58ACD1 #88C4DE

Accessibility & contrast

On white

3.60

#3390B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#3390B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390B9

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3390B9	#FFFFFF	#000000	##000000
##3390B9	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)

#7B8EBB

Deuteranopia (green-blind)

#6981B8

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3390b9;
/* rgb */ color: rgb(51, 144, 185);
/* oklch */ color: oklch(61.7% 0.105 231.2);

Tailwind

colors: {
  custom: {
    50: '#7cb0ce',
    500: '#3390b9',
    950: '#000000',
  },
}

SCSS

$custom: #3390b9;
$custom-light: #7cb0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3390b9",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 185
  },
  "hsl": {
    "h": 198.358,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.61689,
    "c": 0.10528,
    "h": 231.2
  },
  "luminance": 0.24153
}

Semantic roles & 50–950 ramp

primary

#3390B9

secondary

#C89680

accent

#7648E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3390B9

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

Preview Lab → · Contrast checker → · Palette generator →