#2C57AC#2C57AC

#2C57AC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.4% C 0.145 H 262.2°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#2C57AC
RGB	rgb(44, 87, 172)
HSL	hsl(220, 59%, 42%)
HSV	hsv(220, 74%, 67%)
CMYK	cmyk(74.4%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(38.43, 15.47, -49.86)
CIE-LCH	lch(38.43, 52.21, 287.24°)
OKLab	oklab(47.44% -0.0196 -0.1432)
OKLCH	oklch(47.44% 0.145 262.2)
XYZ	xyz(11.8906, 10.3291, 40.3888)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57AC #AC812C

analogous

#2C97AC #2C57AC #412CAC

triadic

#2C57AC #AC2C57 #57AC2C

tetradic

#2C57AC #AC2C97 #AC812C #2CAC41

square

#2C57AC #AC2C97 #AC812C #2CAC41

split-complementary

#2C57AC #AC412C #97AC2C

monochromatic

#13264B #203E7B #2C57AC #4674D0 #7699DC

Accessibility & contrast

On white

6.85

#2C57AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2C57AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57AC

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57AC	#FFFFFF	#000000	##FFFFFF
##2C57AC	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2661AF

Deuteranopia (green-blind)

#0055AA

Tritanopia (blue-blind)

#006B79

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2c57ac;
/* rgb */ color: rgb(44, 87, 172);
/* oklch */ color: oklch(47.4% 0.145 262.2);

Tailwind

colors: {
  custom: {
    50: '#7785c5',
    500: '#2c57ac',
    950: '#000000',
  },
}

SCSS

$custom: #2c57ac;
$custom-light: #7785c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57ac",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 219.844,
    "s": 59.259,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4744,
    "c": 0.14456,
    "h": 262.2
  },
  "luminance": 0.1033
}

Semantic roles & 50–950 ramp

primary

#2C57AC

secondary

#C4A870

accent

#AE45E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57AC

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

Preview Lab → · Contrast checker → · Palette generator →