#2A28B2#2A28B2

#2A28B2 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.4% C 0.207 H 272.2°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#2A28B2
RGB	rgb(42, 40, 178)
HSL	hsl(241, 63%, 43%)
HSV	hsv(241, 78%, 70%)
CMYK	cmyk(76.4%, 77.5%, 0%, 30.2%)
CIE-LAB	lab(27.36, 47.13, -71.52)
CIE-LCH	lch(27.36, 85.66, 303.38°)
OKLab	oklab(39.41% 0.0079 -0.207)
OKLCH	oklch(39.41% 0.207 272.2)
XYZ	xyz(9.7468, 5.2231, 42.6053)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A28B2 #B0B228

analogous

#286BB2 #2A28B2 #6F28B2

triadic

#2A28B2 #B22A28 #28B22A

tetradic

#2A28B2 #B2286B #B0B228 #28B26F

square

#2A28B2 #B2286B #B0B228 #28B26F

split-complementary

#2A28B2 #B26F28 #6BB228

monochromatic

#12124E #1E1D80 #2A28B2 #4543D5 #7675E0

Accessibility & contrast

On white

10.27

#2A28B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2A28B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A28B2

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A28B2	#FFFFFF	#000000	##FFFFFF
##2A28B2	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B6

Deuteranopia (green-blind)

#003AB0

Tritanopia (blue-blind)

#00526C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a28b2;
/* rgb */ color: rgb(42, 40, 178);
/* oklch */ color: oklch(39.4% 0.207 272.2);

Tailwind

colors: {
  custom: {
    50: '#7b65ca',
    500: '#2a28b2',
    950: '#000000',
  },
}

SCSS

$custom: #2a28b2;
$custom-light: #7b65ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2a28b2",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 178
  },
  "hsl": {
    "h": 240.87,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.3941,
    "c": 0.20717,
    "h": 272.2
  },
  "luminance": 0.05224
}

Semantic roles & 50–950 ramp

primary

#2A28B2

secondary

#C6C76F

accent

#E641E4

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2A28B2

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

Preview Lab → · Contrast checker → · Palette generator →