#2C57AA#2C57AA

#2C57AA is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.3% C 0.142 H 261.9°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#2C57AA
RGB	rgb(44, 87, 170)
HSL	hsl(220, 59%, 42%)
HSV	hsv(220, 74%, 67%)
CMYK	cmyk(74.1%, 48.8%, 0%, 33.3%)
CIE-LAB	lab(38.29, 14.71, -48.89)
CIE-LCH	lch(38.29, 51.06, 286.74°)
OKLab	oklab(47.29% -0.0199 -0.1404)
OKLCH	oklch(47.29% 0.142 261.9)
XYZ	xyz(11.7000, 10.2529, 39.3848)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C57AA #AA7F2C

analogous

#2C96AA #2C57AA #402CAA

triadic

#2C57AA #AA2C57 #57AA2C

tetradic

#2C57AA #AA2C96 #AA7F2C #2CAA40

square

#2C57AA #AA2C96 #AA7F2C #2CAA40

split-complementary

#2C57AA #AA402C #96AA2C

monochromatic

#132549 #1F3E79 #2C57AA #4474CF #7598DB

Accessibility & contrast

On white

6.88

#2C57AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#2C57AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2C57AA

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C57AA	#FFFFFF	#000000	##FFFFFF
##2C57AA	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2960AD

Deuteranopia (green-blind)

#0055A8

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2c57aa;
/* rgb */ color: rgb(44, 87, 170);
/* oklch */ color: oklch(47.3% 0.142 261.9);

Tailwind

colors: {
  custom: {
    50: '#7685c4',
    500: '#2c57aa',
    950: '#000000',
  },
}

SCSS

$custom: #2c57aa;
$custom-light: #7685c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2c57aa",
  "rgb": {
    "r": 44,
    "g": 87,
    "b": 170
  },
  "hsl": {
    "h": 219.524,
    "s": 58.879,
    "l": 41.961
  },
  "oklch": {
    "l": 0.47294,
    "c": 0.14177,
    "h": 261.9
  },
  "luminance": 0.10254
}

Semantic roles & 50–950 ramp

primary

#2C57AA

secondary

#C3A66F

accent

#AD46E2

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2C57AA

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

Preview Lab → · Contrast checker → · Palette generator →