#2191B2#2191B2

#2191B2 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.106 H 223.2°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2191B2
RGB	rgb(33, 145, 178)
HSL	hsl(194, 69%, 41%)
HSV	hsv(194, 81%, 70%)
CMYK	cmyk(81.5%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(55.87, -18.55, -25.84)
CIE-LCH	lch(55.87, 31.81, 234.32°)
OKLab	oklab(61.19% -0.0771 -0.0725)
OKLCH	oklch(61.19% 0.106 223.2)
XYZ	xyz(18.7851, 23.7861, 45.7120)
Luminance	0.2379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2191B2 #B24221

analogous

#21B28B #2191B2 #2149B2

triadic

#2191B2 #B22191 #91B221

tetradic

#2191B2 #8B21B2 #B24221 #49B221

square

#2191B2 #8B21B2 #B24221 #49B221

split-complementary

#2191B2 #B22149 #B28B21

monochromatic

#0E3D4B #17677E #2191B2 #36B5DA #6AC8E3

Accessibility & contrast

On white

3.65

#2191B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#2191B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2191B2

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2191B2	#FFFFFF	#000000	##000000
##2191B2	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB4

Deuteranopia (green-blind)

#6B80B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2191b2;
/* rgb */ color: rgb(33, 145, 178);
/* oklch */ color: oklch(61.2% 0.106 223.2);

Tailwind

colors: {
  custom: {
    50: '#76b1c9',
    500: '#2191b2',
    950: '#000000',
  },
}

SCSS

$custom: #2191b2;
$custom-light: #76b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2191b2",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 193.655,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.61192,
    "c": 0.10584,
    "h": 223.2
  },
  "luminance": 0.23788
}

Semantic roles & 50–950 ramp

primary

#2191B2

secondary

#C97C66

accent

#643CEC

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2191B2

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

Preview Lab → · Contrast checker → · Palette generator →