#3370BE#3370BE

#3370BE is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.5% C 0.137 H 255.9°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3370BE
RGB	rgb(51, 112, 190)
HSL	hsl(214, 58%, 47%)
HSV	hsv(214, 73%, 75%)
CMYK	cmyk(73.2%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(46.98, 7.16, -46.65)
CIE-LCH	lch(46.98, 47.20, 278.72°)
OKLab	oklab(54.47% -0.0335 -0.1332)
OKLCH	oklch(54.47% 0.137 255.9)
XYZ	xyz(16.4503, 16.0080, 50.9281)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370BE #BE8133

analogous

#33B6BE #3370BE #3C33BE

triadic

#3370BE #BE3370 #70BE33

tetradic

#3370BE #BE33B6 #BE8133 #33BE3C

square

#3370BE #BE33B6 #BE8133 #33BE3C

split-complementary

#3370BE #BE3C33 #B6BE33

monochromatic

#19375E #26548E #3370BE #5B90D3 #8BB1E0

Accessibility & contrast

On white

5.00

#3370BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3370BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370BE

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370BE	#FFFFFF	#000000	##FFFFFF
##3370BE	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76C1

Deuteranopia (green-blind)

#3469BC

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3370be;
/* rgb */ color: rgb(51, 112, 190);
/* oklch */ color: oklch(54.5% 0.137 255.9);

Tailwind

colors: {
  custom: {
    50: '#7c98d2',
    500: '#3370be',
    950: '#000000',
  },
}

SCSS

$custom: #3370be;
$custom-light: #7c98d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3370be",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 213.669,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54474,
    "c": 0.13739,
    "h": 255.9
  },
  "luminance": 0.1601
}

Semantic roles & 50–950 ramp

primary

#3370BE

secondary

#CAAB83

accent

#9D47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3370BE

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

Preview Lab → · Contrast checker → · Palette generator →