#2D28BB#2D28BB

#2D28BB is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.217 H 272.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#2D28BB
RGB	rgb(45, 40, 187)
HSL	hsl(242, 65%, 45%)
HSV	hsv(242, 79%, 73%)
CMYK	cmyk(75.9%, 78.6%, 0%, 26.7%)
CIE-LAB	lab(28.54, 50.23, -74.91)
CIE-LCH	lch(28.54, 90.20, 303.84°)
OKLab	oklab(40.58% 0.0096 -0.2168)
OKLCH	oklch(40.58% 0.217 272.5)
XYZ	xyz(10.8076, 5.6622, 47.5274)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D28BB #B6BB28

analogous

#286DBB #2D28BB #7728BB

triadic

#2D28BB #BB2D28 #28BB2D

tetradic

#2D28BB #BB286D #B6BB28 #28BB77

square

#2D28BB #BB286D #B6BB28 #28BB77

split-complementary

#2D28BB #BB7728 #6DBB28

monochromatic

#151256 #211D89 #2D28BB #4D48D8 #7E7BE3

Accessibility & contrast

On white

9.85

#2D28BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2D28BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D28BB

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D28BB	#FFFFFF	#000000	##FFFFFF
##2D28BB	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABF

Deuteranopia (green-blind)

#003CB8

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d28bb;
/* rgb */ color: rgb(45, 40, 187);
/* oklch */ color: oklch(40.6% 0.217 272.5);

Tailwind

colors: {
  custom: {
    50: '#7e65d1',
    500: '#2d28bb',
    950: '#000000',
  },
}

SCSS

$custom: #2d28bb;
$custom-light: #7e65d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d28bb",
  "rgb": {
    "r": 45,
    "g": 40,
    "b": 187
  },
  "hsl": {
    "h": 242.041,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40581,
    "c": 0.21701,
    "h": 272.5
  },
  "luminance": 0.05663
}

Semantic roles & 50–950 ramp

primary

#2D28BB

secondary

#C8CB74

accent

#E840E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #2D28BB

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

Preview Lab → · Contrast checker → · Palette generator →