#2C57BC#2C57BC

#2C57BC is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.7% C 0.167 H 263.9°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#2C57BC
RGB	rgb(44, 87, 188)
HSL	hsl(222, 62%, 45%)
HSV	hsv(222, 77%, 74%)
CMYK	cmyk(76.6%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(39.55, 21.58, -57.46)
CIE-LCH	lch(39.55, 61.38, 290.58°)
OKLab	oklab(48.65% -0.0178 -0.1656)
OKLCH	oklch(48.65% 0.167 263.9)
XYZ	xyz(13.5208, 10.9812, 48.9742)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57BC #BC912C

analogous

#2C9FBC #2C57BC #492CBC

triadic

#2C57BC #BC2C57 #57BC2C

tetradic

#2C57BC #BC2C9F #BC912C #2CBC49

square

#2C57BC #BC2C9F #BC912C #2CBC49

split-complementary

#2C57BC #BC492C #9FBC2C

monochromatic

#152959 #20408A #2C57BC #4F78D6 #819EE1

Accessibility & contrast

On white

6.57

#2C57BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#2C57BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57BC

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57BC	#FFFFFF	#000000	##FFFFFF
##2C57BC	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0464C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #2c57bc;
/* rgb */ color: rgb(44, 87, 188);
/* oklch */ color: oklch(48.7% 0.167 263.9);

Tailwind

colors: {
  custom: {
    50: '#7a85d1',
    500: '#2c57bc',
    950: '#000000',
  },
}

SCSS

$custom: #2c57bc;
$custom-light: #7a85d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57bc",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 222.083,
    "s": 62.069,
    "l": 45.49
  },
  "oklch": {
    "l": 0.48651,
    "c": 0.16654,
    "h": 263.9
  },
  "luminance": 0.10983
}

Semantic roles & 50–950 ramp

primary

#2C57BC

secondary

#CAB279

accent

#B543E5

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2C57BC

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

Preview Lab → · Contrast checker → · Palette generator →