#2C63B7#2C63B7

#2C63B7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.145 H 258.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2C63B7
RGB	rgb(44, 99, 183)
HSL	hsl(216, 61%, 45%)
HSV	hsv(216, 76%, 72%)
CMYK	cmyk(76%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.58, 11.85, -49.66)
CIE-LCH	lch(42.58, 51.05, 283.43°)
OKLab	oklab(50.86% -0.0281 -0.1424)
OKLCH	oklch(50.86% 0.145 258.8)
XYZ	xyz(14.0447, 12.8765, 46.5358)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63B7 #B7802C

analogous

#2CA9B7 #2C63B7 #3B2CB7

triadic

#2C63B7 #B72C63 #63B72C

tetradic

#2C63B7 #B72CA9 #B7802C #2CB73B

square

#2C63B7 #B72CA9 #B7802C #2CB73B

split-complementary

#2C63B7 #B73B2C #A9B72C

monochromatic

#142E54 #204886 #2C63B7 #4C82D4 #7EA4E0

Accessibility & contrast

On white

5.87

#2C63B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2C63B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63B7

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63B7	#FFFFFF	#000000	##FFFFFF
##2C63B7	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#175FB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2c63b7;
/* rgb */ color: rgb(44, 99, 183);
/* oklch */ color: oklch(50.9% 0.145 258.8);

Tailwind

colors: {
  custom: {
    50: '#798ecd',
    500: '#2c63b7',
    950: '#000000',
  },
}

SCSS

$custom: #2c63b7;
$custom-light: #798ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63b7",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 216.259,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50858,
    "c": 0.14513,
    "h": 258.8
  },
  "luminance": 0.12878
}

Semantic roles & 50–950 ramp

primary

#2C63B7

secondary

#C8A876

accent

#A543E4

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2C63B7

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

Preview Lab → · Contrast checker → · Palette generator →