#3390B8#3390B8

#3390B8 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.104 H 230.6°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3390B8
RGB	rgb(51, 144, 184)
HSL	hsl(198, 57%, 46%)
HSV	hsv(198, 72%, 72%)
CMYK	cmyk(72.3%, 21.7%, 0%, 27.8%)
CIE-LAB	lab(56.20, -13.86, -28.72)
CIE-LCH	lch(56.20, 31.89, 244.24°)
OKLab	oklab(61.64% -0.0663 -0.0806)
OKLCH	oklch(61.64% 0.104 230.6)
XYZ	xyz(19.9868, 24.1087, 48.9382)
Luminance	0.2411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3390B8 #B85B33

analogous

#33B89D #3390B8 #334DB8

triadic

#3390B8 #B83390 #90B833

tetradic

#3390B8 #9D33B8 #B85B33 #4DB833

square

#3390B8 #9D33B8 #B85B33 #4DB833

split-complementary

#3390B8 #B8334D #B89D33

monochromatic

#184558 #266A88 #3390B8 #58ACD1 #88C4DE

Accessibility & contrast

On white

3.61

#3390B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#3390B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390B8

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3390B8	#FFFFFF	#000000	##000000
##3390B8	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EBA

Deuteranopia (green-blind)

#6A81B7

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3390b8;
/* rgb */ color: rgb(51, 144, 184);
/* oklch */ color: oklch(61.6% 0.104 230.6);

Tailwind

colors: {
  custom: {
    50: '#7cb0cd',
    500: '#3390b8',
    950: '#000000',
  },
}

SCSS

$custom: #3390b8;
$custom-light: #7cb0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3390b8",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 184
  },
  "hsl": {
    "h": 198.045,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61642,
    "c": 0.10438,
    "h": 230.6
  },
  "luminance": 0.24111
}

Semantic roles & 50–950 ramp

primary

#3390B8

secondary

#C8957F

accent

#7648E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3390B8

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

Preview Lab → · Contrast checker → · Palette generator →