#2E28B5#2E28B5

#2E28B5 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.210 H 273.3°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#2E28B5
RGB	rgb(46, 40, 181)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 71%)
CMYK	cmyk(74.6%, 77.9%, 0%, 29%)
CIE-LAB	lab(27.94, 48.41, -72.35)
CIE-LCH	lch(27.94, 87.05, 303.78°)
OKLab	oklab(39.98% 0.0121 -0.2093)
OKLCH	oklch(39.98% 0.21 273.3)
XYZ	xyz(10.2232, 5.4336, 44.2171)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E28B5 #AFB528

analogous

#2868B5 #2E28B5 #7428B5

triadic

#2E28B5 #B52E28 #28B52E

tetradic

#2E28B5 #B52868 #AFB528 #28B574

square

#2E28B5 #B52868 #AFB528 #28B574

split-complementary

#2E28B5 #B57428 #68B528

monochromatic

#151251 #211D83 #2E28B5 #4B44D6 #7B77E1

Accessibility & contrast

On white

10.06

#2E28B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2E28B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E28B5

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E28B5	#FFFFFF	#000000	##FFFFFF
##2E28B5	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B9

Deuteranopia (green-blind)

#003BB3

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2e28b5;
/* rgb */ color: rgb(46, 40, 181);
/* oklch */ color: oklch(40.0% 0.210 273.3);

Tailwind

colors: {
  custom: {
    50: '#7d65cd',
    500: '#2e28b5',
    950: '#000000',
  },
}

SCSS

$custom: #2e28b5;
$custom-light: #7d65cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2e28b5",
  "rgb": {
    "r": 46,
    "g": 40,
    "b": 181
  },
  "hsl": {
    "h": 242.553,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.39976,
    "c": 0.2097,
    "h": 273.3
  },
  "luminance": 0.05435
}

Semantic roles & 50–950 ramp

primary

#2E28B5

secondary

#C5C870

accent

#E741E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2E28B5

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

Preview Lab → · Contrast checker → · Palette generator →