#2C57B0#2C57B0

#2C57B0 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.7% C 0.150 H 262.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2C57B0
RGB	rgb(44, 87, 176)
HSL	hsl(220, 60%, 43%)
HSV	hsv(220, 75%, 69%)
CMYK	cmyk(75%, 50.6%, 0%, 31%)
CIE-LAB	lab(38.70, 17.00, -51.79)
CIE-LCH	lch(38.70, 54.51, 288.17°)
OKLab	oklab(47.74% -0.0191 -0.1489)
OKLCH	oklch(47.74% 0.15 262.7)
XYZ	xyz(12.2806, 10.4851, 42.4425)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57B0 #B0852C

analogous

#2C99B0 #2C57B0 #432CB0

triadic

#2C57B0 #B02C57 #57B02C

tetradic

#2C57B0 #B02C99 #B0852C #2CB043

square

#2C57B0 #B02C99 #B0852C #2CB043

split-complementary

#2C57B0 #B0432C #99B02C

monochromatic

#14274E #203F7F #2C57B0 #4875D1 #799ADD

Accessibility & contrast

On white

6.78

#2C57B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2C57B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57B0

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57B0	#FFFFFF	#000000	##FFFFFF
##2C57B0	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2162B3

Deuteranopia (green-blind)

#0055AE

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2c57b0;
/* rgb */ color: rgb(44, 87, 176);
/* oklch */ color: oklch(47.7% 0.150 262.7);

Tailwind

colors: {
  custom: {
    50: '#7885c8',
    500: '#2c57b0',
    950: '#000000',
  },
}

SCSS

$custom: #2c57b0;
$custom-light: #7885c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57b0",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 176
  },
  "hsl": {
    "h": 220.455,
    "s": 60,
    "l": 43.137
  },
  "oklch": {
    "l": 0.47735,
    "c": 0.15011,
    "h": 262.7
  },
  "luminance": 0.10486
}

Semantic roles & 50–950 ramp

primary

#2C57B0

secondary

#C6AA72

accent

#B045E3

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57B0

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

Preview Lab → · Contrast checker → · Palette generator →