#2D63BB#2D63BB

#2D63BB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.150 H 259.8°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2D63BB
RGB	rgb(45, 99, 187)
HSL	hsl(217, 61%, 45%)
HSV	hsv(217, 76%, 73%)
CMYK	cmyk(75.9%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(42.87, 13.50, -51.52)
CIE-LCH	lch(42.87, 53.26, 284.68°)
OKLab	oklab(51.17% -0.0267 -0.1479)
OKLCH	oklch(51.17% 0.15 259.8)
XYZ	xyz(14.5104, 13.0678, 48.7617)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D63BB #BB852D

analogous

#2DAABB #2D63BB #3E2DBB

triadic

#2D63BB #BB2D63 #63BB2D

tetradic

#2D63BB #BB2DAA #BB852D #2DBB3E

square

#2D63BB #BB2DAA #BB852D #2DBB3E

split-complementary

#2D63BB #BB3E2D #AABB2D

monochromatic

#152F58 #21498A #2D63BB #5083D5 #82A6E1

Accessibility & contrast

On white

5.81

#2D63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2D63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D63BB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D63BB	#FFFFFF	#000000	##FFFFFF
##2D63BB	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336CBE

Deuteranopia (green-blind)

#0C5FB9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2d63bb;
/* rgb */ color: rgb(45, 99, 187);
/* oklch */ color: oklch(51.2% 0.150 259.8);

Tailwind

colors: {
  custom: {
    50: '#7a8ed0',
    500: '#2d63bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d63bb;
$custom-light: #7a8ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d63bb",
  "rgb": {
    "r": 45,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 217.183,
    "s": 61.207,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51172,
    "c": 0.15027,
    "h": 259.8
  },
  "luminance": 0.13069
}

Semantic roles & 50–950 ramp

primary

#2D63BB

secondary

#CAAB7A

accent

#A743E4

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2D63BB

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

Preview Lab → · Contrast checker → · Palette generator →