#2C51BC#2C51BC

#2C51BC is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.174 H 265.6°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#2C51BC
RGB	rgb(44, 81, 188)
HSL	hsl(225, 62%, 45%)
HSV	hsv(225, 77%, 74%)
CMYK	cmyk(76.6%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(37.93, 25.51, -60.09)
CIE-LCH	lch(37.93, 65.28, 293.01°)
OKLab	oklab(47.43% -0.0134 -0.1734)
OKLCH	oklch(47.43% 0.174 265.6)
XYZ	xyz(13.0550, 10.0497, 48.8189)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51BC #BC972C

analogous

#2C99BC #2C51BC #4F2CBC

triadic

#2C51BC #BC2C51 #51BC2C

tetradic

#2C51BC #BC2C99 #BC972C #2CBC4F

square

#2C51BC #BC2C99 #BC972C #2CBC4F

split-complementary

#2C51BC #BC4F2C #99BC2C

monochromatic

#152659 #203C8A #2C51BC #4F72D6 #819AE1

Accessibility & contrast

On white

6.98

#2C51BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2C51BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C51BC

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51BC	#FFFFFF	#000000	##FFFFFF
##2C51BC	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2c51bc;
/* rgb */ color: rgb(44, 81, 188);
/* oklch */ color: oklch(47.4% 0.174 265.6);

Tailwind

colors: {
  custom: {
    50: '#7b81d1',
    500: '#2c51bc',
    950: '#000000',
  },
}

SCSS

$custom: #2c51bc;
$custom-light: #7b81d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51bc",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 224.583,
    "s": 62.069,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47431,
    "c": 0.17393,
    "h": 265.6
  },
  "luminance": 0.10051
}

Semantic roles & 50–950 ramp

primary

#2C51BC

secondary

#CAB679

accent

#BB43E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2C51BC

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

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