#2C57B6#2C57B6

#2C57B6 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.2% C 0.158 H 263.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#2C57B6
RGB	rgb(44, 87, 182)
HSL	hsl(221, 61%, 44%)
HSV	hsv(221, 76%, 71%)
CMYK	cmyk(75.8%, 52.2%, 0%, 28.6%)
CIE-LAB	lab(39.12, 19.29, -54.65)
CIE-LCH	lch(39.12, 57.95, 289.44°)
OKLab	oklab(48.19% -0.0184 -0.1573)
OKLCH	oklch(48.19% 0.158 263.3)
XYZ	xyz(12.8874, 10.7278, 45.6384)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57B6 #B68B2C

analogous

#2C9CB6 #2C57B6 #462CB6

triadic

#2C57B6 #B62C57 #57B62C

tetradic

#2C57B6 #B62C9C #B68B2C #2CB646

square

#2C57B6 #B62C9C #B68B2C #2CB646

split-complementary

#2C57B6 #B6462C #9CB62C

monochromatic

#142853 #203F85 #2C57B6 #4C76D4 #7D9CE0

Accessibility & contrast

On white

6.68

#2C57B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#2C57B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57B6

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57B6	#FFFFFF	#000000	##FFFFFF
##2C57B6	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1763B9

Deuteranopia (green-blind)

#0056B4

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2c57b6;
/* rgb */ color: rgb(44, 87, 182);
/* oklch */ color: oklch(48.2% 0.158 263.3);

Tailwind

colors: {
  custom: {
    50: '#7985cd',
    500: '#2c57b6',
    950: '#000000',
  },
}

SCSS

$custom: #2c57b6;
$custom-light: #7985cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57b6",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 182
  },
  "hsl": {
    "h": 221.304,
    "s": 61.062,
    "l": 44.314
  },
  "oklch": {
    "l": 0.48188,
    "c": 0.15836,
    "h": 263.3
  },
  "luminance": 0.10729
}

Semantic roles & 50–950 ramp

primary

#2C57B6

secondary

#C8AE76

accent

#B244E4

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57B6

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

Preview Lab → · Contrast checker → · Palette generator →