#2C63B5#2C63B5

#2C63B5 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.142 H 258.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#2C63B5
RGB	rgb(44, 99, 181)
HSL	hsl(216, 61%, 44%)
HSV	hsv(216, 76%, 71%)
CMYK	cmyk(75.7%, 45.3%, 0%, 29%)
CIE-LAB	lab(42.45, 11.09, -48.69)
CIE-LCH	lch(42.45, 49.94, 282.83°)
OKLab	oklab(50.72% -0.0284 -0.1395)
OKLCH	oklch(50.72% 0.142 258.5)
XYZ	xyz(13.8380, 12.7938, 45.4472)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63B5 #B57E2C

analogous

#2CA8B5 #2C63B5 #392CB5

triadic

#2C63B5 #B52C63 #63B52C

tetradic

#2C63B5 #B52CA8 #B57E2C #2CB539

square

#2C63B5 #B52CA8 #B57E2C #2CB539

split-complementary

#2C63B5 #B5392C #A8B52C

monochromatic

#142D53 #204884 #2C63B5 #4B82D3 #7CA4DF

Accessibility & contrast

On white

5.90

#2C63B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2C63B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63B5

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63B5	#FFFFFF	#000000	##FFFFFF
##2C63B5	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396BB8

Deuteranopia (green-blind)

#1C5EB3

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2c63b5;
/* rgb */ color: rgb(44, 99, 181);
/* oklch */ color: oklch(50.7% 0.142 258.5);

Tailwind

colors: {
  custom: {
    50: '#788ecc',
    500: '#2c63b5',
    950: '#000000',
  },
}

SCSS

$custom: #2c63b5;
$custom-light: #788ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63b5",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 181
  },
  "hsl": {
    "h": 215.912,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50721,
    "c": 0.14242,
    "h": 258.5
  },
  "luminance": 0.12795
}

Semantic roles & 50–950 ramp

primary

#2C63B5

secondary

#C8A775

accent

#A444E4

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2C63B5

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

Preview Lab → · Contrast checker → · Palette generator →