#2E28B4#2E28B4

#2E28B4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.209 H 273.4°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2E28B4
RGB	rgb(46, 40, 180)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 71%)
CMYK	cmyk(74.4%, 77.8%, 0%, 29.4%)
CIE-LAB	lab(27.83, 48.09, -71.94)
CIE-LCH	lch(27.83, 86.53, 303.76°)
OKLab	oklab(39.87% 0.0123 -0.2081)
OKLCH	oklch(39.87% 0.209 273.4)
XYZ	xyz(10.1210, 5.3927, 43.6787)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E28B4 #AEB428

analogous

#2868B4 #2E28B4 #7428B4

triadic

#2E28B4 #B42E28 #28B42E

tetradic

#2E28B4 #B42868 #AEB428 #28B474

square

#2E28B4 #B42868 #AEB428 #28B474

split-complementary

#2E28B4 #B47428 #68B428

monochromatic

#141250 #211D82 #2E28B4 #4A44D5 #7A76E1

Accessibility & contrast

On white

10.10

#2E28B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2E28B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E28B4

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E28B4	#FFFFFF	#000000	##FFFFFF
##2E28B4	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2e28b4;
/* rgb */ color: rgb(46, 40, 180);
/* oklch */ color: oklch(39.9% 0.209 273.4);

Tailwind

colors: {
  custom: {
    50: '#7d65cc',
    500: '#2e28b4',
    950: '#000000',
  },
}

SCSS

$custom: #2e28b4;
$custom-light: #7d65cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2e28b4",
  "rgb": {
    "r": 46,
    "g": 40,
    "b": 180
  },
  "hsl": {
    "h": 242.571,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.39866,
    "c": 0.20851,
    "h": 273.4
  },
  "luminance": 0.05394
}

Semantic roles & 50–950 ramp

primary

#2E28B4

secondary

#C4C870

accent

#E741E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #2E28B4

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

Preview Lab → · Contrast checker → · Palette generator →