#2C63B9#2C63B9

#2C63B9 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.148 H 259.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2C63B9
RGB	rgb(44, 99, 185)
HSL	hsl(217, 62%, 45%)
HSV	hsv(217, 76%, 73%)
CMYK	cmyk(76.2%, 46.5%, 0%, 27.5%)
CIE-LAB	lab(42.70, 12.62, -50.62)
CIE-LCH	lch(42.70, 52.17, 283.99°)
OKLab	oklab(51% -0.0277 -0.1452)
OKLCH	oklch(51% 0.148 259.2)
XYZ	xyz(14.2543, 12.9603, 47.6399)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63B9 #B9822C

analogous

#2CA9B9 #2C63B9 #3C2CB9

triadic

#2C63B9 #B92C63 #63B92C

tetradic

#2C63B9 #B92CA9 #B9822C #2CB93C

square

#2C63B9 #B92CA9 #B9822C #2CB93C

split-complementary

#2C63B9 #B93C2C #A9B92C

monochromatic

#142E56 #204988 #2C63B9 #4D82D5 #7FA5E1

Accessibility & contrast

On white

5.85

#2C63B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2C63B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63B9

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63B9	#FFFFFF	#000000	##FFFFFF
##2C63B9	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBC

Deuteranopia (green-blind)

#125FB7

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2c63b9;
/* rgb */ color: rgb(44, 99, 185);
/* oklch */ color: oklch(51.0% 0.148 259.2);

Tailwind

colors: {
  custom: {
    50: '#798ece',
    500: '#2c63b9',
    950: '#000000',
  },
}

SCSS

$custom: #2c63b9;
$custom-light: #798ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63b9",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 185
  },
  "hsl": {
    "h": 216.596,
    "s": 61.572,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50997,
    "c": 0.14786,
    "h": 259.2
  },
  "luminance": 0.12962
}

Semantic roles & 50–950 ramp

primary

#2C63B9

secondary

#C9A978

accent

#A643E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2C63B9

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

Preview Lab → · Contrast checker → · Palette generator →