#2C51BF#2C51BF

#2C51BF is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.7% C 0.178 H 265.7°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2C51BF
RGB	rgb(44, 81, 191)
HSL	hsl(225, 63%, 46%)
HSV	hsv(225, 77%, 75%)
CMYK	cmyk(77%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(38.16, 26.65, -61.47)
CIE-LCH	lch(38.16, 66.99, 293.44°)
OKLab	oklab(47.68% -0.0132 -0.1774)
OKLCH	oklch(47.68% 0.178 265.7)
XYZ	xyz(13.3818, 10.1804, 50.5399)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C51BF #BF9A2C

analogous

#2C9ABF #2C51BF #502CBF

triadic

#2C51BF #BF2C51 #51BF2C

tetradic

#2C51BF #BF2C9A #BF9A2C #2CBF50

square

#2C51BF #BF2C9A #BF9A2C #2CBF50

split-complementary

#2C51BF #BF502C #9ABF2C

monochromatic

#15275C #213C8D #2C51BF #5173D7 #839BE2

Accessibility & contrast

On white

6.92

#2C51BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2C51BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C51BF

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C51BF	#FFFFFF	#000000	##FFFFFF
##2C51BF	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C3

Deuteranopia (green-blind)

#0053BD

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2c51bf;
/* rgb */ color: rgb(44, 81, 191);
/* oklch */ color: oklch(47.7% 0.178 265.7);

Tailwind

colors: {
  custom: {
    50: '#7b81d3',
    500: '#2c51bf',
    950: '#000000',
  },
}

SCSS

$custom: #2c51bf;
$custom-light: #7b81d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c51bf",
  "rgb": {
    "r": 44,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 224.898,
    "s": 62.553,
    "l": 46.078
  },
  "oklch": {
    "l": 0.47679,
    "c": 0.17794,
    "h": 265.7
  },
  "luminance": 0.10182
}

Semantic roles & 50–950 ramp

primary

#2C51BF

secondary

#CCB77B

accent

#BC42E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2C51BF

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

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