#2168B0#2168B0

#2168B0 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.2% C 0.133 H 252.4°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#2168B0
RGB	rgb(33, 104, 176)
HSL	hsl(210, 68%, 41%)
HSV	hsv(210, 81%, 69%)
CMYK	cmyk(81.3%, 40.9%, 0%, 31%)
CIE-LAB	lab(43.30, 4.72, -44.43)
CIE-LCH	lch(43.30, 44.68, 276.06°)
OKLab	oklab(51.19% -0.0402 -0.1271)
OKLCH	oklch(51.19% 0.133 252.4)
XYZ	xyz(13.4110, 13.3569, 42.9372)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2168B0 #B06921

analogous

#21AFB0 #2168B0 #2221B0

triadic

#2168B0 #B02168 #68B021

tetradic

#2168B0 #B021AF #B06921 #21B022

square

#2168B0 #B021AF #B06921 #21B022

split-complementary

#2168B0 #B02221 #AFB021

monochromatic

#0E2B49 #174A7C #2168B0 #3587D9 #69A5E3

Accessibility & contrast

On white

5.72

#2168B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2168B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2168B0

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2168B0	#FFFFFF	#000000	##FFFFFF
##2168B0	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB3

Deuteranopia (green-blind)

#2D60AF

Tritanopia (blue-blind)

#007983

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2168b0;
/* rgb */ color: rgb(33, 104, 176);
/* oklch */ color: oklch(51.2% 0.133 252.4);

Tailwind

colors: {
  custom: {
    50: '#7492c8',
    500: '#2168b0',
    950: '#000000',
  },
}

SCSS

$custom: #2168b0;
$custom-light: #7492c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2168b0",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 176
  },
  "hsl": {
    "h": 210.21,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51189,
    "c": 0.13327,
    "h": 252.4
  },
  "luminance": 0.13359
}

Semantic roles & 50–950 ramp

primary

#2168B0

secondary

#C89764

accent

#953DEB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #2168B0

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

Preview Lab → · Contrast checker → · Palette generator →