#2D28A2#2D28A2

#2D28A2 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.9% C 0.187 H 274.6°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#2D28A2
RGB	rgb(45, 40, 162)
HSL	hsl(242, 60%, 40%)
HSV	hsv(242, 75%, 64%)
CMYK	cmyk(72.2%, 75.3%, 0%, 36.5%)
CIE-LAB	lab(25.81, 42.14, -64.44)
CIE-LCH	lch(25.81, 76.99, 303.18°)
OKLab	oklab(37.85% 0.0149 -0.1864)
OKLCH	oklch(37.85% 0.187 274.6)
XYZ	xyz(8.3604, 4.6833, 34.6388)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28A2 #9DA228

analogous

#2860A2 #2D28A2 #6A28A2

triadic

#2D28A2 #A22D28 #28A22D

tetradic

#2D28A2 #A22860 #9DA228 #28A26A

square

#2D28A2 #A22860 #9DA228 #28A26A

split-complementary

#2D28A2 #A26A28 #60A228

monochromatic

#121040 #1F1C71 #2D28A2 #3F39CE #6F6ADA

Accessibility & contrast

On white

10.84

#2D28A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2D28A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28A2

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28A2	#FFFFFF	#000000	##FFFFFF
##2D28A2	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A6

Deuteranopia (green-blind)

#0037A0

Tritanopia (blue-blind)

#004B63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d28a2;
/* rgb */ color: rgb(45, 40, 162);
/* oklch */ color: oklch(37.9% 0.187 274.6);

Tailwind

colors: {
  custom: {
    50: '#7864bf',
    500: '#2d28a2',
    950: '#000000',
  },
}

SCSS

$custom: #2d28a2;
$custom-light: #7864bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28a2",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 162
  },
  "hsl": {
    "h": 242.459,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37855,
    "c": 0.18695,
    "h": 274.6
  },
  "luminance": 0.04684
}

Semantic roles & 50–950 ramp

primary

#2D28A2

secondary

#BDC165

accent

#E444DD

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D28A2

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

Preview Lab → · Contrast checker → · Palette generator →