#2196B3#2196B3

#2196B3 is a light, moderate cyan. Relative luminance 0.254; OKLCH L 62.5% C 0.106 H 219.5°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#2196B3
RGB	rgb(33, 150, 179)
HSL	hsl(192, 69%, 42%)
HSV	hsv(192, 82%, 70%)
CMYK	cmyk(81.6%, 16.2%, 0%, 29.8%)
CIE-LAB	lab(57.45, -20.87, -23.97)
CIE-LCH	lch(57.45, 31.78, 228.96°)
OKLab	oklab(62.47% -0.0815 -0.0671)
OKLCH	oklch(62.47% 0.106 219.5)
XYZ	xyz(19.6668, 25.3882, 46.5030)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2196B3 #B33E21

analogous

#21B387 #2196B3 #214DB3

triadic

#2196B3 #B32196 #96B321

tetradic

#2196B3 #8721B3 #B33E21 #4DB321

square

#2196B3 #8721B3 #B33E21 #4DB321

split-complementary

#2196B3 #B3214D #B38721

monochromatic

#0E3F4C #176B7F #2196B3 #37BADA #6BCCE4

Accessibility & contrast

On white

3.45

#2196B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#2196B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2196B3

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2196B3	#FFFFFF	#000000	##000000
##2196B3	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8492B5

Deuteranopia (green-blind)

#7184B3

Tritanopia (blue-blind)

#00A09F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #2196b3;
/* rgb */ color: rgb(33, 150, 179);
/* oklch */ color: oklch(62.5% 0.106 219.5);

Tailwind

colors: {
  custom: {
    50: '#77b5c9',
    500: '#2196b3',
    950: '#000000',
  },
}

SCSS

$custom: #2196b3;
$custom-light: #77b5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2196b3",
  "rgb": {
    "r": 33,
    "g": 150,
    "b": 179
  },
  "hsl": {
    "h": 191.918,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.62474,
    "c": 0.10561,
    "h": 219.5
  },
  "luminance": 0.25391
}

Semantic roles & 50–950 ramp

primary

#2196B3

secondary

#CA7A66

accent

#5F3CEC

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2196B3

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

Preview Lab → · Contrast checker → · Palette generator →