#2163C1#2163C1

#2163C1 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.162 H 258.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2163C1
RGB	rgb(33, 99, 193)
HSL	hsl(215, 71%, 44%)
HSV	hsv(215, 83%, 76%)
CMYK	cmyk(82.9%, 48.7%, 0%, 24.3%)
CIE-LAB	lab(42.91, 14.55, -54.96)
CIE-LCH	lch(42.91, 56.85, 284.82°)
OKLab	oklab(51.23% -0.0329 -0.1581)
OKLCH	oklch(51.23% 0.162 258.2)
XYZ	xyz(14.7111, 13.0955, 52.1941)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2163C1 #C17F21

analogous

#21B3C1 #2163C1 #2F21C1

triadic

#2163C1 #C12163 #63C121

tetradic

#2163C1 #C121B3 #C17F21 #21C12F

square

#2163C1 #C121B3 #C17F21 #21C12F

split-complementary

#2163C1 #C12F21 #B3C121

monochromatic

#0F2D58 #18488D #2163C1 #4182DE #75A4E7

Accessibility & contrast

On white

5.80

#2163C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#2163C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2163C1

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2163C1	#FFFFFF	#000000	##FFFFFF
##2163C1	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6DC4

Deuteranopia (green-blind)

#005FBF

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2163c1;
/* rgb */ color: rgb(33, 99, 193);
/* oklch */ color: oklch(51.2% 0.162 258.2);

Tailwind

colors: {
  custom: {
    50: '#788ed4',
    500: '#2163c1',
    950: '#000000',
  },
}

SCSS

$custom: #2163c1;
$custom-light: #788ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#2163c1",
  "rgb": {
    "r": 33,
    "g": 99,
    "b": 193
  },
  "hsl": {
    "h": 215.25,
    "s": 70.796,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5123,
    "c": 0.16153,
    "h": 258.2
  },
  "luminance": 0.13097
}

Semantic roles & 50–950 ramp

primary

#2163C1

secondary

#CFA76F

accent

#A43AEE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0A0C14

muted

#7C7D83

Preview Lab

Preview with #2163C1

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

Preview Lab → · Contrast checker → · Palette generator →