#2D63B8#2D63B8

#2D63B8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.0% C 0.146 H 259.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D63B8
RGB	rgb(45, 99, 184)
HSL	hsl(217, 61%, 45%)
HSV	hsv(217, 76%, 72%)
CMYK	cmyk(75.5%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.67, 12.36, -50.08)
CIE-LCH	lch(42.67, 51.59, 283.86°)
OKLab	oklab(50.96% -0.0272 -0.1436)
OKLCH	oklch(50.96% 0.146 259.3)
XYZ	xyz(14.1926, 12.9407, 47.0879)
Luminance	0.1294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D63B8 #B8822D

analogous

#2DA8B8 #2D63B8 #3D2DB8

triadic

#2D63B8 #B82D63 #63B82D

tetradic

#2D63B8 #B82DA8 #B8822D #2DB83D

square

#2D63B8 #B82DA8 #B8822D #2DB83D

split-complementary

#2D63B8 #B83D2D #A8B82D

monochromatic

#152E56 #214987 #2D63B8 #4E82D4 #80A5E0

Accessibility & contrast

On white

5.85

#2D63B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#2D63B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D63B8

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D63B8	#FFFFFF	#000000	##FFFFFF
##2D63B8	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366CBB

Deuteranopia (green-blind)

#155FB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2d63b8;
/* rgb */ color: rgb(45, 99, 184);
/* oklch */ color: oklch(51.0% 0.146 259.3);

Tailwind

colors: {
  custom: {
    50: '#798ece',
    500: '#2d63b8',
    950: '#000000',
  },
}

SCSS

$custom: #2d63b8;
$custom-light: #798ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2d63b8",
  "rgb": {
    "r": 45,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 216.691,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50963,
    "c": 0.14619,
    "h": 259.3
  },
  "luminance": 0.12942
}

Semantic roles & 50–950 ramp

primary

#2D63B8

secondary

#C9A978

accent

#A644E4

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2D63B8

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

Preview Lab → · Contrast checker → · Palette generator →