#2B63C1#2B63C1

#2B63C1 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.159 H 260.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#2B63C1
RGB	rgb(43, 99, 193)
HSL	hsl(218, 64%, 46%)
HSV	hsv(218, 78%, 76%)
CMYK	cmyk(77.7%, 48.7%, 0%, 24.3%)
CIE-LAB	lab(43.19, 15.55, -54.49)
CIE-LCH	lch(43.19, 56.66, 285.93°)
OKLab	oklab(51.53% -0.0271 -0.1566)
OKLCH	oklch(51.53% 0.159 260.2)
XYZ	xyz(15.0802, 13.2858, 52.2114)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63C1 #C1892B

analogous

#2BAEC1 #2B63C1 #3E2BC1

triadic

#2B63C1 #C12B63 #63C12B

tetradic

#2B63C1 #C12BAE #C1892B #2BC13E

square

#2B63C1 #C12BAE #C1892B #2BC13E

split-complementary

#2B63C1 #C13E2B #AEC12B

monochromatic

#15305D #20498F #2B63C1 #5183D8 #83A7E3

Accessibility & contrast

On white

5.74

#2B63C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#2B63C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63C1

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63C1	#FFFFFF	#000000	##FFFFFF
##2B63C1	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6DC4

Deuteranopia (green-blind)

#0060BF

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2b63c1;
/* rgb */ color: rgb(43, 99, 193);
/* oklch */ color: oklch(51.5% 0.159 260.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ed4',
    500: '#2b63c1',
    950: '#000000',
  },
}

SCSS

$custom: #2b63c1;
$custom-light: #7b8ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63c1",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 193
  },
  "hsl": {
    "h": 217.6,
    "s": 63.559,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51529,
    "c": 0.15896,
    "h": 260.2
  },
  "luminance": 0.13288
}

Semantic roles & 50–950 ramp

primary

#2B63C1

secondary

#CCAE7B

accent

#A941E7

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2B63C1

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

Preview Lab → · Contrast checker → · Palette generator →