#2166A7#2166A7

#2166A7 is a mid, vivid cyan. Relative luminance 0.126; OKLCH L 50.1% C 0.124 H 250.8°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#2166A7
RGB	rgb(33, 102, 167)
HSL	hsl(209, 67%, 39%)
HSV	hsv(209, 80%, 65%)
CMYK	cmyk(80.2%, 38.9%, 0%, 34.5%)
CIE-LAB	lab(42.18, 2.49, -40.92)
CIE-LCH	lch(42.18, 41.00, 273.49°)
OKLab	oklab(50.15% -0.0407 -0.1168)
OKLCH	oklch(50.15% 0.124 250.8)
XYZ	xyz(12.3510, 12.6146, 38.3356)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2166A7 #A76221

analogous

#21A7A5 #2166A7 #2123A7

triadic

#2166A7 #A72166 #66A721

tetradic

#2166A7 #A521A7 #A76221 #23A721

square

#2166A7 #A521A7 #A76221 #23A721

split-complementary

#2166A7 #A72123 #A7A521

monochromatic

#0D2841 #174774 #2166A7 #2F85D6 #62A3E0

Accessibility & contrast

On white

5.96

#2166A7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#2166A7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2166A7

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2166A7	#FFFFFF	#000000	##FFFFFF
##2166A7	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476AAA

Deuteranopia (green-blind)

#325EA6

Tritanopia (blue-blind)

#00757E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2166a7;
/* rgb */ color: rgb(33, 102, 167);
/* oklch */ color: oklch(50.1% 0.124 250.8);

Tailwind

colors: {
  custom: {
    50: '#7291c1',
    500: '#2166a7',
    950: '#000000',
  },
}

SCSS

$custom: #2166a7;
$custom-light: #7291c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2166a7",
  "rgb": {
    "r": 33,
    "g": 102,
    "b": 167
  },
  "hsl": {
    "h": 209.104,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.50145,
    "c": 0.12368,
    "h": 250.8
  },
  "luminance": 0.12616
}

Semantic roles & 50–950 ramp

primary

#2166A7

secondary

#C5905F

accent

#913EEA

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #2166A7

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

Preview Lab → · Contrast checker → · Palette generator →