#2D28A0#2D28A0

#2D28A0 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.6% C 0.184 H 274.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2D28A0
RGB	rgb(45, 40, 160)
HSL	hsl(243, 60%, 39%)
HSV	hsv(243, 75%, 63%)
CMYK	cmyk(71.9%, 75%, 0%, 37.3%)
CIE-LAB	lab(25.60, 41.47, -63.57)
CIE-LCH	lch(25.60, 75.90, 303.12°)
OKLab	oklab(37.64% 0.0153 -0.1838)
OKLCH	oklch(37.64% 0.184 274.7)
XYZ	xyz(8.1840, 4.6127, 33.7099)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28A0 #9BA028

analogous

#285FA0 #2D28A0 #6928A0

triadic

#2D28A0 #A02D28 #28A02D

tetradic

#2D28A0 #A0285F #9BA028 #28A069

square

#2D28A0 #A0285F #9BA028 #28A069

split-complementary

#2D28A0 #A06928 #5FA028

monochromatic

#11103E #1F1C6F #2D28A0 #3E38CD #6E69D9

Accessibility & contrast

On white

10.92

#2D28A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2D28A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28A0

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28A0	#FFFFFF	#000000	##FFFFFF
##2D28A0	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A3

Deuteranopia (green-blind)

#00379E

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d28a0;
/* rgb */ color: rgb(45, 40, 160);
/* oklch */ color: oklch(37.6% 0.184 274.7);

Tailwind

colors: {
  custom: {
    50: '#7864bd',
    500: '#2d28a0',
    950: '#000000',
  },
}

SCSS

$custom: #2d28a0;
$custom-light: #7864bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28a0",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 160
  },
  "hsl": {
    "h": 242.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.37642,
    "c": 0.18446,
    "h": 274.7
  },
  "luminance": 0.04614
}

Semantic roles & 50–950 ramp

primary

#2D28A0

secondary

#BCC064

accent

#E345DD

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D28A0

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

Preview Lab → · Contrast checker → · Palette generator →