#2C51BD#2C51BD

#2C51BD is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.175 H 265.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#2C51BD
RGB	rgb(44, 81, 189)
HSL	hsl(225, 62%, 46%)
HSV	hsv(225, 77%, 74%)
CMYK	cmyk(76.7%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(38.01, 25.89, -60.55)
CIE-LCH	lch(38.01, 65.85, 293.15°)
OKLab	oklab(47.51% -0.0133 -0.1748)
OKLCH	oklch(47.51% 0.175 265.6)
XYZ	xyz(13.1632, 10.0930, 49.3886)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51BD #BD982C

analogous

#2C99BD #2C51BD #502CBD

triadic

#2C51BD #BD2C51 #51BD2C

tetradic

#2C51BD #BD2C99 #BD982C #2CBD50

square

#2C51BD #BD2C99 #BD982C #2CBD50

split-complementary

#2C51BD #BD502C #99BD2C

monochromatic

#15265A #203C8B #2C51BD #5072D6 #829AE2

Accessibility & contrast

On white

6.96

#2C51BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#2C51BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C51BD

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51BD	#FFFFFF	#000000	##FFFFFF
##2C51BD	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C1

Deuteranopia (green-blind)

#0053BB

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2c51bd;
/* rgb */ color: rgb(44, 81, 189);
/* oklch */ color: oklch(47.5% 0.175 265.6);

Tailwind

colors: {
  custom: {
    50: '#7b81d2',
    500: '#2c51bd',
    950: '#000000',
  },
}

SCSS

$custom: #2c51bd;
$custom-light: #7b81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51bd",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 224.69,
    "s": 62.232,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47513,
    "c": 0.17527,
    "h": 265.6
  },
  "luminance": 0.10094
}

Semantic roles & 50–950 ramp

primary

#2C51BD

secondary

#CBB67A

accent

#BC42E5

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2C51BD

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

Preview Lab → · Contrast checker → · Palette generator →