#2C57AD#2C57AD

#2C57AD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.5% C 0.146 H 262.3°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2C57AD
RGB	rgb(44, 87, 173)
HSL	hsl(220, 59%, 43%)
HSV	hsv(220, 75%, 68%)
CMYK	cmyk(74.6%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(38.49, 15.85, -50.35)
CIE-LCH	lch(38.49, 52.78, 287.48°)
OKLab	oklab(47.51% -0.0195 -0.1446)
OKLCH	oklch(47.51% 0.146 262.3)
XYZ	xyz(11.9870, 10.3677, 40.8965)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57AD #AD822C

analogous

#2C97AD #2C57AD #412CAD

triadic

#2C57AD #AD2C57 #57AD2C

tetradic

#2C57AD #AD2C97 #AD822C #2CAD41

square

#2C57AD #AD2C97 #AD822C #2CAD41

split-complementary

#2C57AD #AD412C #97AD2C

monochromatic

#13264B #203E7C #2C57AD #4674D0 #7799DC

Accessibility & contrast

On white

6.83

#2C57AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2C57AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57AD

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57AD	#FFFFFF	#000000	##FFFFFF
##2C57AD	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2561B0

Deuteranopia (green-blind)

#0055AB

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c57ad;
/* rgb */ color: rgb(44, 87, 173);
/* oklch */ color: oklch(47.5% 0.146 262.3);

Tailwind

colors: {
  custom: {
    50: '#7785c6',
    500: '#2c57ad',
    950: '#000000',
  },
}

SCSS

$custom: #2c57ad;
$custom-light: #7785c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57ad",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 220,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47513,
    "c": 0.14594,
    "h": 262.3
  },
  "luminance": 0.10369
}

Semantic roles & 50–950 ramp

primary

#2C57AD

secondary

#C4A871

accent

#AE45E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57AD

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

Preview Lab → · Contrast checker → · Palette generator →