#2191B4#2191B4

#2191B4 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.3% C 0.107 H 224.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2191B4
RGB	rgb(33, 145, 180)
HSL	hsl(194, 69%, 42%)
HSV	hsv(194, 82%, 71%)
CMYK	cmyk(81.7%, 19.4%, 0%, 29.4%)
CIE-LAB	lab(55.95, -17.86, -26.85)
CIE-LCH	lch(55.95, 32.25, 236.37°)
OKLab	oklab(61.28% -0.0764 -0.0754)
OKLCH	oklch(61.28% 0.107 224.6)
XYZ	xyz(18.9874, 23.8670, 46.7772)
Luminance	0.2387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2191B4 #B44421

analogous

#21B48E #2191B4 #2147B4

triadic

#2191B4 #B42191 #91B421

tetradic

#2191B4 #8E21B4 #B44421 #47B421

square

#2191B4 #8E21B4 #B44421 #47B421

split-complementary

#2191B4 #B42147 #B48E21

monochromatic

#0E3E4D #186780 #2191B4 #38B4DA #6BC7E4

Accessibility & contrast

On white

3.64

#2191B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#2191B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2191B4

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2191B4	#FFFFFF	#000000	##000000
##2191B4	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8EB6

Deuteranopia (green-blind)

#6A80B4

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2191b4;
/* rgb */ color: rgb(33, 145, 180);
/* oklch */ color: oklch(61.3% 0.107 224.6);

Tailwind

colors: {
  custom: {
    50: '#76b1ca',
    500: '#2191b4',
    950: '#000000',
  },
}

SCSS

$custom: #2191b4;
$custom-light: #76b1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2191b4",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 180
  },
  "hsl": {
    "h": 194.286,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.61284,
    "c": 0.10731,
    "h": 224.6
  },
  "luminance": 0.23869
}

Semantic roles & 50–950 ramp

primary

#2191B4

secondary

#CA7E67

accent

#663CEC

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2191B4

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

Preview Lab → · Contrast checker → · Palette generator →