#2C57D3#2C57D3

#2C57D3 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.5% C 0.197 H 265.2°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#2C57D3
RGB	rgb(44, 87, 211)
HSL	hsl(225, 65%, 50%)
HSV	hsv(225, 79%, 83%)
CMYK	cmyk(79.1%, 58.8%, 0%, 17.3%)
CIE-LAB	lab(41.30, 30.24, -67.94)
CIE-LCH	lch(41.30, 74.37, 293.99°)
OKLab	oklab(50.52% -0.0164 -0.1964)
OKLCH	oklch(50.52% 0.197 265.2)
XYZ	xyz(16.2006, 12.0531, 63.0880)
Luminance	0.1206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57D3 #D3A82C

analogous

#2CAAD3 #2C57D3 #552CD3

triadic

#2C57D3 #D32C57 #57D32C

tetradic

#2C57D3 #D32CAA #D3A82C #2CD355

square

#2C57D3 #D32CAA #D3A82C #2CD355

split-complementary

#2C57D3 #D3552C #AAD32C

monochromatic

#172D6E #2142A0 #2C57D3 #5F7FDE #91A8E8

Accessibility & contrast

On white

6.16

#2C57D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#2C57D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57D3

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57D3	#FFFFFF	#000000	##FFFFFF
##2C57D3	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D7

Deuteranopia (green-blind)

#005AD1

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #2c57d3;
/* rgb */ color: rgb(44, 87, 211);
/* oklch */ color: oklch(50.5% 0.197 265.2);

Tailwind

colors: {
  custom: {
    50: '#8085e1',
    500: '#2c57d3',
    950: '#000000',
  },
}

SCSS

$custom: #2c57d3;
$custom-light: #8085e1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57d3",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 211
  },
  "hsl": {
    "h": 224.551,
    "s": 65.49,
    "l": 50
  },
  "oklch": {
    "l": 0.50519,
    "c": 0.19705,
    "h": 265.2
  },
  "luminance": 0.12055
}

Semantic roles & 50–950 ramp

primary

#2C57D3

secondary

#D3C088

accent

#BD3FE8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #2C57D3

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

Preview Lab → · Contrast checker → · Palette generator →