#2191B3#2191B3

#2191B3 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.2% C 0.107 H 223.9°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#2191B3
RGB	rgb(33, 145, 179)
HSL	hsl(194, 69%, 42%)
HSV	hsv(194, 82%, 70%)
CMYK	cmyk(81.6%, 19%, 0%, 29.8%)
CIE-LAB	lab(55.91, -18.21, -26.35)
CIE-LCH	lch(55.91, 32.02, 235.35°)
OKLab	oklab(61.24% -0.0768 -0.0739)
OKLCH	oklch(61.24% 0.107 223.9)
XYZ	xyz(18.8859, 23.8264, 46.2427)
Luminance	0.2383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2191B3 #B34321

analogous

#21B38C #2191B3 #2148B3

triadic

#2191B3 #B32191 #91B321

tetradic

#2191B3 #8C21B3 #B34321 #48B321

square

#2191B3 #8C21B3 #B34321 #48B321

split-complementary

#2191B3 #B32148 #B38C21

monochromatic

#0E3D4C #17677F #2191B3 #37B4DA #6BC8E4

Accessibility & contrast

On white

3.64

#2191B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#2191B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2191B3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2191B3	#FFFFFF	#000000	##000000
##2191B3	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)

#7E8EB5

Deuteranopia (green-blind)

#6B80B3

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #2191b3;
/* rgb */ color: rgb(33, 145, 179);
/* oklch */ color: oklch(61.2% 0.107 223.9);

Tailwind

colors: {
  custom: {
    50: '#76b1c9',
    500: '#2191b3',
    950: '#000000',
  },
}

SCSS

$custom: #2191b3;
$custom-light: #76b1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2191b3",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 179
  },
  "hsl": {
    "h": 193.973,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.61238,
    "c": 0.10657,
    "h": 223.9
  },
  "luminance": 0.23829
}

Semantic roles & 50–950 ramp

primary

#2191B3

secondary

#CA7D66

accent

#653CEC

background

#F7FAFC

surface

#EEF5F8

border

#C9CFD1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #2191B3

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

Preview Lab → · Contrast checker → · Palette generator →