#2164B3#2164B3

#2164B3 is a mid, vivid cyan. Relative luminance 0.127; OKLCH L 50.5% C 0.142 H 255.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#2164B3
RGB	rgb(33, 100, 179)
HSL	hsl(212, 69%, 42%)
HSV	hsv(212, 82%, 70%)
CMYK	cmyk(81.6%, 44.1%, 0%, 29.8%)
CIE-LAB	lab(42.29, 8.43, -47.79)
CIE-LCH	lch(42.29, 48.53, 280.01°)
OKLab	oklab(50.47% -0.0362 -0.137)
OKLCH	oklch(50.47% 0.142 255.2)
XYZ	xyz(13.3180, 12.6907, 44.3867)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2164B3 #B37021

analogous

#21ADB3 #2164B3 #2721B3

triadic

#2164B3 #B32164 #64B321

tetradic

#2164B3 #B321AD #B37021 #21B327

square

#2164B3 #B321AD #B37021 #21B327

split-complementary

#2164B3 #B32721 #ADB321

monochromatic

#0E2A4C #17477F #2164B3 #3782DA #6BA2E4

Accessibility & contrast

On white

5.93

#2164B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#2164B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2164B3

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2164B3	#FFFFFF	#000000	##FFFFFF
##2164B3	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6BB6

Deuteranopia (green-blind)

#1D5EB1

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2164b3;
/* rgb */ color: rgb(33, 100, 179);
/* oklch */ color: oklch(50.5% 0.142 255.2);

Tailwind

colors: {
  custom: {
    50: '#748fca',
    500: '#2164b3',
    950: '#000000',
  },
}

SCSS

$custom: #2164b3;
$custom-light: #748fca;
$custom-dark: #000000;

JSON

{
  "hex": "#2164b3",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 179
  },
  "hsl": {
    "h": 212.466,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50467,
    "c": 0.14173,
    "h": 255.2
  },
  "luminance": 0.12692
}

Semantic roles & 50–950 ramp

primary

#2164B3

secondary

#CA9C66

accent

#9B3CEC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2164B3

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

Preview Lab → · Contrast checker → · Palette generator →