#2B63BA#2B63BA

#2B63BA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.150 H 259.1°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B63BA
RGB	rgb(43, 99, 186)
HSL	hsl(217, 62%, 45%)
HSV	hsv(217, 77%, 73%)
CMYK	cmyk(76.9%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(42.73, 12.88, -51.16)
CIE-LCH	lch(42.73, 52.75, 284.13°)
OKLab	oklab(51.03% -0.0282 -0.1468)
OKLCH	oklch(51.03% 0.15 259.1)
XYZ	xyz(14.3178, 12.9808, 48.1958)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63BA #BA822B

analogous

#2BABBA #2B63BA #3A2BBA

triadic

#2B63BA #BA2B63 #63BA2B

tetradic

#2B63BA #BA2BAB #BA822B #2BBA3A

square

#2B63BA #BA2BAB #BA822B #2BBA3A

split-complementary

#2B63BA #BA3A2B #ABBA2B

monochromatic

#142E57 #204988 #2B63BA #4C82D6 #7EA5E1

Accessibility & contrast

On white

5.84

#2B63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#2B63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63BA

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63BA	#FFFFFF	#000000	##FFFFFF
##2B63BA	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346CBD

Deuteranopia (green-blind)

#0E5FB8

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b63ba;
/* rgb */ color: rgb(43, 99, 186);
/* oklch */ color: oklch(51.0% 0.150 259.1);

Tailwind

colors: {
  custom: {
    50: '#798ecf',
    500: '#2b63ba',
    950: '#000000',
  },
}

SCSS

$custom: #2b63ba;
$custom-light: #798ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63ba",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 216.503,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51032,
    "c": 0.14951,
    "h": 259.1
  },
  "luminance": 0.12982
}

Semantic roles & 50–950 ramp

primary

#2B63BA

secondary

#CAA977

accent

#A642E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2B63BA

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

Preview Lab → · Contrast checker → · Palette generator →