#2E28B3#2E28B3

#2E28B3 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.207 H 273.5°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#2E28B3
RGB	rgb(46, 40, 179)
HSL	hsl(243, 63%, 43%)
HSV	hsv(243, 78%, 70%)
CMYK	cmyk(74.3%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(27.72, 47.77, -71.53)
CIE-LCH	lch(27.72, 86.01, 303.74°)
OKLab	oklab(39.76% 0.0125 -0.2069)
OKLCH	oklch(39.76% 0.207 273.5)
XYZ	xyz(10.0195, 5.3521, 43.1441)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E28B3 #ADB328

analogous

#2867B3 #2E28B3 #7328B3

triadic

#2E28B3 #B32E28 #28B32E

tetradic

#2E28B3 #B32867 #ADB328 #28B373

square

#2E28B3 #B32867 #ADB328 #28B373

split-complementary

#2E28B3 #B37328 #67B328

monochromatic

#14124F #211D81 #2E28B3 #4943D5 #7A75E0

Accessibility & contrast

On white

10.14

#2E28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2E28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E28B3

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E28B3	#FFFFFF	#000000	##FFFFFF
##2E28B3	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2e28b3;
/* rgb */ color: rgb(46, 40, 179);
/* oklch */ color: oklch(39.8% 0.207 273.5);

Tailwind

colors: {
  custom: {
    50: '#7d65cb',
    500: '#2e28b3',
    950: '#000000',
  },
}

SCSS

$custom: #2e28b3;
$custom-light: #7d65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2e28b3",
  "rgb": {
    "r": 46,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 242.59,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39756,
    "c": 0.20733,
    "h": 273.5
  },
  "luminance": 0.05353
}

Semantic roles & 50–950 ramp

primary

#2E28B3

secondary

#C4C86F

accent

#E641DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2E28B3

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

Preview Lab → · Contrast checker → · Palette generator →