#2B63BD#2B63BD

#2B63BD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.154 H 259.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B63BD
RGB	rgb(43, 99, 189)
HSL	hsl(217, 63%, 45%)
HSV	hsv(217, 77%, 74%)
CMYK	cmyk(77.2%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(42.93, 14.02, -52.59)
CIE-LCH	lch(42.93, 54.43, 284.93°)
OKLab	oklab(51.24% -0.0277 -0.151)
OKLCH	oklch(51.24% 0.154 259.6)
XYZ	xyz(14.6401, 13.1097, 49.8931)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63BD #BD852B

analogous

#2BACBD #2B63BD #3C2BBD

triadic

#2B63BD #BD2B63 #63BD2B

tetradic

#2B63BD #BD2BAC #BD852B #2BBD3C

square

#2B63BD #BD2BAC #BD852B #2BBD3C

split-complementary

#2B63BD #BD3C2B #ACBD2B

monochromatic

#142F59 #20498B #2B63BD #4E83D7 #80A6E2

Accessibility & contrast

On white

5.80

#2B63BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#2B63BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63BD

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63BD	#FFFFFF	#000000	##FFFFFF
##2B63BD	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316CC0

Deuteranopia (green-blind)

#015FBB

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b63bd;
/* rgb */ color: rgb(43, 99, 189);
/* oklch */ color: oklch(51.2% 0.154 259.6);

Tailwind

colors: {
  custom: {
    50: '#7a8ed1',
    500: '#2b63bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b63bd;
$custom-light: #7a8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63bd",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 216.986,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51243,
    "c": 0.15356,
    "h": 259.6
  },
  "luminance": 0.13111
}

Semantic roles & 50–950 ramp

primary

#2B63BD

secondary

#CBAB79

accent

#A742E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B63BD

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

Preview Lab → · Contrast checker → · Palette generator →