#2191B1#2191B1

#2191B1 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.105 H 222.5°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#2191B1
RGB	rgb(33, 145, 177)
HSL	hsl(193, 69%, 41%)
HSV	hsv(193, 81%, 69%)
CMYK	cmyk(81.4%, 18.1%, 0%, 30.6%)
CIE-LAB	lab(55.83, -18.89, -25.33)
CIE-LCH	lch(55.83, 31.60, 233.28°)
OKLab	oklab(61.15% -0.0775 -0.071)
OKLCH	oklch(61.15% 0.105 222.5)
XYZ	xyz(18.6851, 23.7461, 45.1851)
Luminance	0.2375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2191B1 #B14121

analogous

#21B189 #2191B1 #2149B1

triadic

#2191B1 #B12191 #91B121

tetradic

#2191B1 #8921B1 #B14121 #49B121

square

#2191B1 #8921B1 #B14121 #49B121

split-complementary

#2191B1 #B12149 #B18921

monochromatic

#0E3C4A #17677D #2191B1 #36B5D9 #69C8E3

Accessibility & contrast

On white

3.65

#2191B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#2191B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2191B1

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2191B1	#FFFFFF	#000000	##000000
##2191B1	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8DB3

Deuteranopia (green-blind)

#6C80B1

Tritanopia (blue-blind)

#009B9B

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2191b1;
/* rgb */ color: rgb(33, 145, 177);
/* oklch */ color: oklch(61.1% 0.105 222.5);

Tailwind

colors: {
  custom: {
    50: '#76b1c8',
    500: '#2191b1',
    950: '#000000',
  },
}

SCSS

$custom: #2191b1;
$custom-light: #76b1c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2191b1",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 177
  },
  "hsl": {
    "h": 193.333,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.61146,
    "c": 0.10514,
    "h": 222.5
  },
  "luminance": 0.23748
}

Semantic roles & 50–950 ramp

primary

#2191B1

secondary

#C97B65

accent

#633CEB

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2191B1

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

Preview Lab → · Contrast checker → · Palette generator →