#2C57B2#2C57B2

#2C57B2 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.153 H 262.9°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#2C57B2
RGB	rgb(44, 87, 178)
HSL	hsl(221, 60%, 44%)
HSV	hsv(221, 75%, 70%)
CMYK	cmyk(75.3%, 51.1%, 0%, 30.2%)
CIE-LAB	lab(38.84, 17.76, -52.74)
CIE-LCH	lch(38.84, 55.66, 288.61°)
OKLab	oklab(47.89% -0.0188 -0.1517)
OKLCH	oklch(47.89% 0.153 262.9)
XYZ	xyz(12.4799, 10.5648, 43.4923)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57B2 #B2872C

analogous

#2C9AB2 #2C57B2 #442CB2

triadic

#2C57B2 #B22C57 #57B22C

tetradic

#2C57B2 #B22C9A #B2872C #2CB244

square

#2C57B2 #B22C9A #B2872C #2CB244

split-complementary

#2C57B2 #B2442C #9AB22C

monochromatic

#142750 #203F81 #2C57B2 #4975D2 #7A9ADE

Accessibility & contrast

On white

6.75

#2C57B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#2C57B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57B2

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57B2	#FFFFFF	#000000	##FFFFFF
##2C57B2	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E62B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c57b2;
/* rgb */ color: rgb(44, 87, 178);
/* oklch */ color: oklch(47.9% 0.153 262.9);

Tailwind

colors: {
  custom: {
    50: '#7885ca',
    500: '#2c57b2',
    950: '#000000',
  },
}

SCSS

$custom: #2c57b2;
$custom-light: #7885ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57b2",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 178
  },
  "hsl": {
    "h": 220.746,
    "s": 60.36,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47885,
    "c": 0.15286,
    "h": 262.9
  },
  "luminance": 0.10566
}

Semantic roles & 50–950 ramp

primary

#2C57B2

secondary

#C6AC73

accent

#B044E4

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57B2

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

Preview Lab → · Contrast checker → · Palette generator →