#2170BE#2170BE

#2170BE is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.143 H 252.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#2170BE
RGBrgb(33, 112, 190)
HSLhsl(210, 70%, 44%)
HSVhsv(210, 83%, 75%)
CMYKcmyk(82.6%, 41.1%, 0%, 25.5%)
CIE-LABlab(46.48, 5.09, -47.49)
CIE-LCHlch(46.48, 47.76, 276.12°)
OKLaboklab(53.94% -0.0436 -0.1359)
OKLCHoklch(53.94% 0.143 252.2)
XYZxyz(15.7121, 15.6274, 50.8935)
Luminance0.1563 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2170BE #BE6F21
analogous
#21BEBD #2170BE #2121BE
triadic
#2170BE #BE2170 #70BE21
tetradic
#2170BE #BD21BE #BE6F21 #21BE21
square
#2170BE #BD21BE #BE6F21 #21BE21
split-complementary
#2170BE #BE2121 #BEBD21
monochromatic
#0F3356 #18518A #2170BE #3F8FDE #73ADE7

Accessibility & contrast

On white

5.09
#2170BE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#2170BE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2170BE
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2170BE#FFFFFF#000000##FFFFFF
##2170BE1.005.094.135.09
#FFFFFF5.091.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4976C1
Deuteranopia (green-blind)
#2E68BC
Tritanopia (blue-blind)
#00838E
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #2170be;
/* rgb */ color: rgb(33, 112, 190);
/* oklch */ color: oklch(53.9% 0.143 252.2);
Tailwind
colors: {
  custom: {
    50: '#7798d2',
    500: '#2170be',
    950: '#000000',
  },
}
SCSS
$custom: #2170be;
$custom-light: #7798d2;
$custom-dark: #000000;
JSON
{
  "hex": "#2170be",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 209.809,
    "s": 70.404,
    "l": 43.725
  },
  "oklch": {
    "l": 0.53939,
    "c": 0.14272,
    "h": 252.2
  },
  "luminance": 0.15629
}

Semantic roles & 50–950 ramp

primary
#2170BE
secondary
#CD9D6D
accent
#933BED
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #2170BE

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

Preview Lab → · Contrast checker → · Palette generator →

#2170BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva