#2186BC#2186BC

#2186BC is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.120 H 238.2°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#2186BC
RGB	rgb(33, 134, 188)
HSL	hsl(201, 70%, 43%)
HSV	hsv(201, 82%, 74%)
CMYK	cmyk(82.4%, 28.7%, 0%, 26.3%)
CIE-LAB	lab(52.95, -8.88, -36.09)
CIE-LCH	lch(52.95, 37.17, 256.18°)
OKLab	oklab(59% -0.0633 -0.1022)
OKLCH	oklch(59% 0.12 238.2)
XYZ	xyz(18.2258, 21.0021, 50.6604)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2186BC #BC5721

analogous

#21BCA4 #2186BC #2138BC

triadic

#2186BC #BC2186 #86BC21

tetradic

#2186BC #A421BC #BC5721 #38BC21

square

#2186BC #A421BC #BC5721 #38BC21

split-complementary

#2186BC #BC2138 #BCA421

monochromatic

#0F3C54 #186188 #2186BC #3DA5DD #71BDE6

Accessibility & contrast

On white

4.04

#2186BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#2186BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2186BC

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2186BC	#FFFFFF	#000000	##000000
##2186BC	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C86BE

Deuteranopia (green-blind)

#5778BB

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #2186bc;
/* rgb */ color: rgb(33, 134, 188);
/* oklch */ color: oklch(59.0% 0.120 238.2);

Tailwind

colors: {
  custom: {
    50: '#77a9d0',
    500: '#2186bc',
    950: '#000000',
  },
}

SCSS

$custom: #2186bc;
$custom-light: #77a9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2186bc",
  "rgb": {
    "r": 33,
    "g": 134,
    "b": 188
  },
  "hsl": {
    "h": 200.903,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.59002,
    "c": 0.12021,
    "h": 238.2
  },
  "luminance": 0.21004
}

Semantic roles & 50–950 ramp

primary

#2186BC

secondary

#CD8E6C

accent

#793BED

background

#F7FAFC

surface

#EEF4F9

border

#C9CED2

text

#0A0F14

muted

#7C7F82

Preview Lab

Preview with #2186BC

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

Preview Lab → · Contrast checker → · Palette generator →