#2197B4#2197B4

#2197B4 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.106 H 219.3°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#2197B4
RGB	rgb(33, 151, 180)
HSL	hsl(192, 69%, 42%)
HSV	hsv(192, 82%, 71%)
CMYK	cmyk(81.7%, 16.1%, 0%, 29.4%)
CIE-LAB	lab(57.80, -21.06, -24.01)
CIE-LCH	lch(57.80, 31.93, 228.75°)
OKLab	oklab(62.77% -0.0821 -0.0672)
OKLCH	oklch(62.77% 0.106 219.3)
XYZ	xyz(19.9285, 25.7493, 47.0910)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2197B4 #B43E21

analogous

#21B488 #2197B4 #214DB4

triadic

#2197B4 #B42197 #97B421

tetradic

#2197B4 #8821B4 #B43E21 #4DB421

square

#2197B4 #8821B4 #B43E21 #4DB421

split-complementary

#2197B4 #B4214D #B48821

monochromatic

#0E404D #186C80 #2197B4 #38BADA #6BCCE4

Accessibility & contrast

On white

3.41

#2197B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#2197B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2197B4

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2197B4	#FFFFFF	#000000	##000000
##2197B4	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8593B6

Deuteranopia (green-blind)

#7285B4

Tritanopia (blue-blind)

#00A1A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2197b4;
/* rgb */ color: rgb(33, 151, 180);
/* oklch */ color: oklch(62.8% 0.106 219.3);

Tailwind

colors: {
  custom: {
    50: '#77b5ca',
    500: '#2197b4',
    950: '#000000',
  },
}

SCSS

$custom: #2197b4;
$custom-light: #77b5ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2197b4",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 191.837,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.62765,
    "c": 0.1061,
    "h": 219.3
  },
  "luminance": 0.25752
}

Semantic roles & 50–950 ramp

primary

#2197B4

secondary

#CA7A67

accent

#5F3CEC

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2197B4

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

Preview Lab → · Contrast checker → · Palette generator →