#2C57C8#2C57C8

#2C57C8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.6% C 0.183 H 264.7°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#2C57C8
RGB	rgb(44, 87, 200)
HSL	hsl(223, 64%, 48%)
HSV	hsv(223, 78%, 78%)
CMYK	cmyk(78%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(40.44, 26.12, -62.99)
CIE-LCH	lch(40.44, 68.19, 292.52°)
OKLab	oklab(49.61% -0.0169 -0.1818)
OKLCH	oklch(49.61% 0.183 264.7)
XYZ	xyz(14.8685, 11.5203, 56.0724)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57C8 #C89D2C

analogous

#2CA5C8 #2C57C8 #4F2CC8

triadic

#2C57C8 #C82C57 #57C82C

tetradic

#2C57C8 #C82CA5 #C89D2C #2CC84F

square

#2C57C8 #C82CA5 #C89D2C #2CC84F

split-complementary

#2C57C8 #C84F2C #A5C82C

monochromatic

#162B64 #214196 #2C57C8 #577BDA #89A3E5

Accessibility & contrast

On white

6.36

#2C57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2C57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57C8

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57C8	#FFFFFF	#000000	##FFFFFF
##2C57C8	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CC

Deuteranopia (green-blind)

#0058C6

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2c57c8;
/* rgb */ color: rgb(44, 87, 200);
/* oklch */ color: oklch(49.6% 0.183 264.7);

Tailwind

colors: {
  custom: {
    50: '#7d85da',
    500: '#2c57c8',
    950: '#000000',
  },
}

SCSS

$custom: #2c57c8;
$custom-light: #7d85da;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57c8",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 223.462,
    "s": 63.934,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49608,
    "c": 0.18262,
    "h": 264.7
  },
  "luminance": 0.11522
}

Semantic roles & 50–950 ramp

primary

#2C57C8

secondary

#CFB981

accent

#B941E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2C57C8

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

Preview Lab → · Contrast checker → · Palette generator →