#2C57A1#2C57A1

#2C57A1 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.7% C 0.129 H 260.5°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2C57A1
RGB	rgb(44, 87, 161)
HSL	hsl(218, 57%, 40%)
HSV	hsv(218, 73%, 63%)
CMYK	cmyk(72.7%, 46%, 0%, 36.9%)
CIE-LAB	lab(37.71, 11.27, -44.48)
CIE-LCH	lch(37.71, 45.88, 284.21°)
OKLab	oklab(46.66% -0.0214 -0.1274)
OKLCH	oklch(46.66% 0.129 260.5)
XYZ	xyz(10.8776, 9.9239, 35.0535)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57A1 #A1762C

analogous

#2C91A1 #2C57A1 #3C2CA1

triadic

#2C57A1 #A12C57 #57A12C

tetradic

#2C57A1 #A12C91 #A1762C #2CA13C

square

#2C57A1 #A12C91 #A1762C #2CA13C

split-complementary

#2C57A1 #A13C2C #91A12C

monochromatic

#122341 #1F3D71 #2C57A1 #4073CB #7096D8

Accessibility & contrast

On white

7.04

#2C57A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2C57A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C57A1

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57A1	#FFFFFF	#000000	##FFFFFF
##2C57A1	1.00	7.04	2.99	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315FA4

Deuteranopia (green-blind)

#1A549F

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2c57a1;
/* rgb */ color: rgb(44, 87, 161);
/* oklch */ color: oklch(46.7% 0.129 260.5);

Tailwind

colors: {
  custom: {
    50: '#7485bd',
    500: '#2c57a1',
    950: '#000000',
  },
}

SCSS

$custom: #2c57a1;
$custom-light: #7485bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57a1",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 161
  },
  "hsl": {
    "h": 217.949,
    "s": 57.073,
    "l": 40.196
  },
  "oklch": {
    "l": 0.46655,
    "c": 0.12916,
    "h": 260.5
  },
  "luminance": 0.09925
}

Semantic roles & 50–950 ramp

primary

#2C57A1

secondary

#BFA06A

accent

#A847E0

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #2C57A1

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

Preview Lab → · Contrast checker → · Palette generator →