#3390B2#3390B2

#3390B2 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.4% C 0.099 H 226.4°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3390B2
RGB	rgb(51, 144, 178)
HSL	hsl(196, 55%, 45%)
HSV	hsv(196, 71%, 70%)
CMYK	cmyk(71.3%, 19.1%, 0%, 30.2%)
CIE-LAB	lab(55.95, -15.88, -25.69)
CIE-LCH	lch(55.95, 30.20, 238.27°)
OKLab	oklab(61.36% -0.0685 -0.0719)
OKLCH	oklch(61.36% 0.099 226.4)
XYZ	xyz(19.3711, 23.8625, 45.6959)
Luminance	0.2387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3390B2 #B25533

analogous

#33B295 #3390B2 #3350B2

triadic

#3390B2 #B23390 #90B233

tetradic

#3390B2 #9533B2 #B25533 #50B233

square

#3390B2 #9533B2 #B25533 #50B233

split-complementary

#3390B2 #B23350 #B29533

monochromatic

#184353 #256A82 #3390B2 #54ADCE #84C4DC

Accessibility & contrast

On white

3.64

#3390B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#3390B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390B2

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3390B2	#FFFFFF	#000000	##000000
##3390B2	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB4

Deuteranopia (green-blind)

#6C81B2

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3390b2;
/* rgb */ color: rgb(51, 144, 178);
/* oklch */ color: oklch(61.4% 0.099 226.4);

Tailwind

colors: {
  custom: {
    50: '#7bb0c9',
    500: '#3390b2',
    950: '#000000',
  },
}

SCSS

$custom: #3390b2;
$custom-light: #7bb0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3390b2",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 178
  },
  "hsl": {
    "h": 196.063,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.61363,
    "c": 0.09933,
    "h": 226.4
  },
  "luminance": 0.23865
}

Semantic roles & 50–950 ramp

primary

#3390B2

secondary

#C58F7C

accent

#7149DF

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3390B2

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

Preview Lab → · Contrast checker → · Palette generator →