#2197B2#2197B2

#2197B2 is a light, moderate cyan. Relative luminance 0.257; OKLCH L 62.7% C 0.105 H 217.8°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#2197B2
RGB	rgb(33, 151, 178)
HSL	hsl(191, 69%, 41%)
HSV	hsv(191, 81%, 70%)
CMYK	cmyk(81.5%, 15.2%, 0%, 30.2%)
CIE-LAB	lab(57.72, -21.73, -22.99)
CIE-LCH	lch(57.72, 31.64, 226.62°)
OKLab	oklab(62.68% -0.0829 -0.0643)
OKLCH	oklch(62.68% 0.105 217.8)
XYZ	xyz(19.7263, 25.6684, 46.0257)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2197B2 #B23C21

analogous

#21B285 #2197B2 #214FB2

triadic

#2197B2 #B22197 #97B221

tetradic

#2197B2 #8521B2 #B23C21 #4FB221

square

#2197B2 #8521B2 #B23C21 #4FB221

split-complementary

#2197B2 #B2214F #B28521

monochromatic

#0E3F4B #176B7E #2197B2 #36BBDA #6ACDE3

Accessibility & contrast

On white

3.42

#2197B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#2197B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2197B2

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2197B2	#FFFFFF	#000000	##000000
##2197B2	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8692B3

Deuteranopia (green-blind)

#7385B2

Tritanopia (blue-blind)

#00A0A0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #2197b2;
/* rgb */ color: rgb(33, 151, 178);
/* oklch */ color: oklch(62.7% 0.105 217.8);

Tailwind

colors: {
  custom: {
    50: '#76b5c9',
    500: '#2197b2',
    950: '#000000',
  },
}

SCSS

$custom: #2197b2;
$custom-light: #76b5c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2197b2",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 178
  },
  "hsl": {
    "h": 191.172,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.62677,
    "c": 0.10493,
    "h": 217.8
  },
  "luminance": 0.25671
}

Semantic roles & 50–950 ramp

primary

#2197B2

secondary

#C97866

accent

#5D3CEC

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #2197B2

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

Preview Lab → · Contrast checker → · Palette generator →