#2B63B7#2B63B7

#2B63B7 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.145 H 258.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2B63B7
RGB	rgb(43, 99, 183)
HSL	hsl(216, 62%, 44%)
HSV	hsv(216, 77%, 72%)
CMYK	cmyk(76.5%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.54, 11.73, -49.71)
CIE-LCH	lch(42.54, 51.08, 283.28°)
OKLab	oklab(50.82% -0.0287 -0.1426)
OKLCH	oklch(50.82% 0.145 258.6)
XYZ	xyz(14.0022, 12.8546, 46.5338)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B63B7 #B77F2B

analogous

#2BA9B7 #2B63B7 #392BB7

triadic

#2B63B7 #B72B63 #63B72B

tetradic

#2B63B7 #B72BA9 #B77F2B #2BB739

square

#2B63B7 #B72BA9 #B77F2B #2BB739

split-complementary

#2B63B7 #B7392B #A9B72B

monochromatic

#142D54 #1F4885 #2B63B7 #4B82D5 #7CA4E0

Accessibility & contrast

On white

5.88

#2B63B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2B63B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B63B7

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B63B7	#FFFFFF	#000000	##FFFFFF
##2B63B7	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376BBA

Deuteranopia (green-blind)

#175EB5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b63b7;
/* rgb */ color: rgb(43, 99, 183);
/* oklch */ color: oklch(50.8% 0.145 258.6);

Tailwind

colors: {
  custom: {
    50: '#788ecd',
    500: '#2b63b7',
    950: '#000000',
  },
}

SCSS

$custom: #2b63b7;
$custom-light: #788ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b63b7",
  "rgb": {
    "r": 43,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 216,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.50823,
    "c": 0.14544,
    "h": 258.6
  },
  "luminance": 0.12856
}

Semantic roles & 50–950 ramp

primary

#2B63B7

secondary

#C9A775

accent

#A443E5

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2B63B7

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

Preview Lab → · Contrast checker → · Palette generator →