#2C63C9#2C63C9

#2C63C9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.169 H 261.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#2C63C9
RGB	rgb(44, 99, 201)
HSL	hsl(219, 64%, 48%)
HSV	hsv(219, 78%, 79%)
CMYK	cmyk(78.1%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(43.76, 18.71, -58.19)
CIE-LCH	lch(43.76, 61.12, 287.82°)
OKLab	oklab(52.15% -0.0254 -0.1675)
OKLCH	oklch(52.15% 0.169 261.4)
XYZ	xyz(16.0394, 13.6743, 57.0411)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63C9 #C9922C

analogous

#2CB1C9 #2C63C9 #432CC9

triadic

#2C63C9 #C92C63 #63C92C

tetradic

#2C63C9 #C92CB1 #C9922C #2CC943

square

#2C63C9 #C92CB1 #C9922C #2CC943

split-complementary

#2C63C9 #C9432C #B1C92C

monochromatic

#163265 #214A97 #2C63C9 #5886DA #8AAAE5

Accessibility & contrast

On white

5.62

#2C63C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#2C63C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63C9

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63C9	#FFFFFF	#000000	##FFFFFF
##2C63C9	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216FCD

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2c63c9;
/* rgb */ color: rgb(44, 99, 201);
/* oklch */ color: oklch(52.1% 0.169 261.4);

Tailwind

colors: {
  custom: {
    50: '#7d8eda',
    500: '#2c63c9',
    950: '#000000',
  },
}

SCSS

$custom: #2c63c9;
$custom-light: #7d8eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63c9",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 218.981,
    "s": 64.082,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52147,
    "c": 0.16941,
    "h": 261.4
  },
  "luminance": 0.13676
}

Semantic roles & 50–950 ramp

primary

#2C63C9

secondary

#CFB482

accent

#AD41E7

background

#F8F8FD

surface

#EFF0FB

border

#CACBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2C63C9

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

Preview Lab → · Contrast checker → · Palette generator →