#2D28A4#2D28A4

#2D28A4 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.189 H 274.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#2D28A4
RGB	rgb(45, 40, 164)
HSL	hsl(242, 61%, 40%)
HSV	hsv(242, 76%, 64%)
CMYK	cmyk(72.6%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(26.02, 42.80, -65.30)
CIE-LCH	lch(26.02, 78.08, 303.24°)
OKLab	oklab(38.07% 0.0145 -0.1889)
OKLCH	oklch(38.07% 0.189 274.4)
XYZ	xyz(8.5396, 4.7550, 35.5825)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28A4 #9FA428

analogous

#2861A4 #2D28A4 #6B28A4

triadic

#2D28A4 #A42D28 #28A42D

tetradic

#2D28A4 #A42861 #9FA428 #28A46B

square

#2D28A4 #A42861 #9FA428 #28A46B

split-complementary

#2D28A4 #A46B28 #61A428

monochromatic

#121042 #1F1C73 #2D28A4 #403ACF #706BDB

Accessibility & contrast

On white

10.76

#2D28A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2D28A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28A4

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28A4	#FFFFFF	#000000	##FFFFFF
##2D28A4	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0038A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d28a4;
/* rgb */ color: rgb(45, 40, 164);
/* oklch */ color: oklch(38.1% 0.189 274.4);

Tailwind

colors: {
  custom: {
    50: '#7964c0',
    500: '#2d28a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d28a4;
$custom-light: #7964c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28a4",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 242.419,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38068,
    "c": 0.18942,
    "h": 274.4
  },
  "luminance": 0.04756
}

Semantic roles & 50–950 ramp

primary

#2D28A4

secondary

#BEC166

accent

#E444DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #2D28A4

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

Preview Lab → · Contrast checker → · Palette generator →