#3390B7#3390B7

#3390B7 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.6% C 0.103 H 229.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3390B7
RGB	rgb(51, 144, 183)
HSL	hsl(198, 56%, 46%)
HSV	hsv(198, 72%, 72%)
CMYK	cmyk(72.1%, 21.3%, 0%, 28.2%)
CIE-LAB	lab(56.15, -14.20, -28.22)
CIE-LCH	lch(56.15, 31.59, 243.29°)
OKLab	oklab(61.59% -0.0666 -0.0792)
OKLCH	oklch(61.59% 0.103 229.9)
XYZ	xyz(19.8823, 24.0669, 48.3881)
Luminance	0.2407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3390B7 #B75A33

analogous

#33B79C #3390B7 #334EB7

triadic

#3390B7 #B73390 #90B733

tetradic

#3390B7 #9C33B7 #B75A33 #4EB733

square

#3390B7 #9C33B7 #B75A33 #4EB733

split-complementary

#3390B7 #B7334E #B79C33

monochromatic

#184557 #266A87 #3390B7 #57ACD0 #87C4DE

Accessibility & contrast

On white

3.61

#3390B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3390B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3390B7

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3390B7	#FFFFFF	#000000	##000000
##3390B7	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EB9

Deuteranopia (green-blind)

#6A81B6

Tritanopia (blue-blind)

#009B9D

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3390b7;
/* rgb */ color: rgb(51, 144, 183);
/* oklch */ color: oklch(61.6% 0.103 229.9);

Tailwind

colors: {
  custom: {
    50: '#7cb0cc',
    500: '#3390b7',
    950: '#000000',
  },
}

SCSS

$custom: #3390b7;
$custom-light: #7cb0cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3390b7",
  "rgb": {
    "r": 51,
    "g": 144,
    "b": 183
  },
  "hsl": {
    "h": 197.727,
    "s": 56.41,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61594,
    "c": 0.10349,
    "h": 229.9
  },
  "luminance": 0.24069
}

Semantic roles & 50–950 ramp

primary

#3390B7

secondary

#C7947F

accent

#7548E0

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3390B7

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

Preview Lab → · Contrast checker → · Palette generator →