#2C28A1#2C28A1

#2C28A1 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.186 H 274.3°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#2C28A1
RGB	rgb(44, 40, 161)
HSL	hsl(242, 60%, 39%)
HSV	hsv(242, 75%, 63%)
CMYK	cmyk(72.7%, 75.2%, 0%, 36.9%)
CIE-LAB	lab(25.64, 41.71, -64.12)
CIE-LCH	lch(25.64, 76.49, 303.04°)
OKLab	oklab(37.68% 0.0138 -0.1854)
OKLCH	oklch(37.68% 0.186 274.3)
XYZ	xyz(8.2284, 4.6255, 34.1705)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28A1 #9DA128

analogous

#2861A1 #2C28A1 #6828A1

triadic

#2C28A1 #A12C28 #28A12C

tetradic

#2C28A1 #A12861 #9DA128 #28A168

square

#2C28A1 #A12861 #9DA128 #28A168

split-complementary

#2C28A1 #A16828 #61A128

monochromatic

#11103F #1F1C70 #2C28A1 #3D39CE #6D6ADA

Accessibility & contrast

On white

10.91

#2C28A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2C28A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28A1

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28A1	#FFFFFF	#000000	##FFFFFF
##2C28A1	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A5

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2c28a1;
/* rgb */ color: rgb(44, 40, 161);
/* oklch */ color: oklch(37.7% 0.186 274.3);

Tailwind

colors: {
  custom: {
    50: '#7864be',
    500: '#2c28a1',
    950: '#000000',
  },
}

SCSS

$custom: #2c28a1;
$custom-light: #7864be;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28a1",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 161
  },
  "hsl": {
    "h": 241.983,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37683,
    "c": 0.18596,
    "h": 274.3
  },
  "luminance": 0.04626
}

Semantic roles & 50–950 ramp

primary

#2C28A1

secondary

#BDC065

accent

#E344DE

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2C28A1

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

Preview Lab → · Contrast checker → · Palette generator →