#2C63BB#2C63BB

#2C63BB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.1% C 0.151 H 259.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#2C63BB
RGB	rgb(44, 99, 187)
HSL	hsl(217, 62%, 45%)
HSV	hsv(217, 76%, 73%)
CMYK	cmyk(76.5%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(42.83, 13.38, -51.58)
CIE-LCH	lch(42.83, 53.29, 284.54°)
OKLab	oklab(51.14% -0.0274 -0.148)
OKLCH	oklch(51.14% 0.151 259.5)
XYZ	xyz(14.4669, 13.0454, 48.7596)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C63BB #BB842C

analogous

#2CAABB #2C63BB #3C2CBB

triadic

#2C63BB #BB2C63 #63BB2C

tetradic

#2C63BB #BB2CAA #BB842C #2CBB3C

square

#2C63BB #BB2CAA #BB842C #2CBB3C

split-complementary

#2C63BB #BB3C2C #AABB2C

monochromatic

#152F58 #204989 #2C63BB #4F83D6 #80A6E1

Accessibility & contrast

On white

5.82

#2C63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2C63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C63BB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C63BB	#FFFFFF	#000000	##FFFFFF
##2C63BB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336CBE

Deuteranopia (green-blind)

#0B5FB9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2c63bb;
/* rgb */ color: rgb(44, 99, 187);
/* oklch */ color: oklch(51.1% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#7a8ed0',
    500: '#2c63bb',
    950: '#000000',
  },
}

SCSS

$custom: #2c63bb;
$custom-light: #7a8ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c63bb",
  "rgb": {
    "r": 44,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 216.923,
    "s": 61.905,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51136,
    "c": 0.15056,
    "h": 259.5
  },
  "luminance": 0.13047
}

Semantic roles & 50–950 ramp

primary

#2C63BB

secondary

#CAAB79

accent

#A743E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2C63BB

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

Preview Lab → · Contrast checker → · Palette generator →