#2C63B8#2C63B8

#2C63B8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.146 H 259.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#2C63B8
RGB	rgb(44, 99, 184)
HSL	hsl(216, 61%, 45%)
HSV	hsv(216, 76%, 72%)
CMYK	cmyk(76.1%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.64, 12.23, -50.14)
CIE-LCH	lch(42.64, 51.61, 283.71°)
OKLab	oklab(50.93% -0.0279 -0.1438)
OKLCH	oklch(50.93% 0.146 259)
XYZ	xyz(14.1491, 12.9182, 47.0859)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63B8 #B8812C

analogous

#2CA9B8 #2C63B8 #3B2CB8

triadic

#2C63B8 #B82C63 #63B82C

tetradic

#2C63B8 #B82CA9 #B8812C #2CB83B

square

#2C63B8 #B82CA9 #B8812C #2CB83B

split-complementary

#2C63B8 #B83B2C #A9B82C

monochromatic

#142E55 #204887 #2C63B8 #4D82D4 #7EA5E0

Accessibility & contrast

On white

5.86

#2C63B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2C63B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63B8

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63B8	#FFFFFF	#000000	##FFFFFF
##2C63B8	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366CBB

Deuteranopia (green-blind)

#155FB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2c63b8;
/* rgb */ color: rgb(44, 99, 184);
/* oklch */ color: oklch(50.9% 0.146 259.0);

Tailwind

colors: {
  custom: {
    50: '#798ece',
    500: '#2c63b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c63b8;
$custom-light: #798ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63b8",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 216.429,
    "s": 61.404,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50927,
    "c": 0.14649,
    "h": 259
  },
  "luminance": 0.1292
}

Semantic roles & 50–950 ramp

primary

#2C63B8

secondary

#C9A977

accent

#A543E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2C63B8

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

Preview Lab → · Contrast checker → · Palette generator →