#2C28B8#2C28B8

#2C28B8 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.214 H 272.4°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#2C28B8
RGB	rgb(44, 40, 184)
HSL	hsl(242, 64%, 44%)
HSV	hsv(242, 78%, 72%)
CMYK	cmyk(76.1%, 78.3%, 0%, 27.8%)
CIE-LAB	lab(28.15, 49.21, -73.79)
CIE-LCH	lch(28.15, 88.70, 303.70°)
OKLab	oklab(40.19% 0.009 -0.2136)
OKLCH	oklch(40.19% 0.214 272.4)
XYZ	xyz(10.4463, 5.5126, 45.8516)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28B8 #B4B828

analogous

#286CB8 #2C28B8 #7428B8

triadic

#2C28B8 #B82C28 #28B82C

tetradic

#2C28B8 #B8286C #B4B828 #28B874

square

#2C28B8 #B8286C #B4B828 #28B874

split-complementary

#2C28B8 #B87428 #6CB828

monochromatic

#141253 #201D86 #2C28B8 #4A46D7 #7C79E2

Accessibility & contrast

On white

9.99

#2C28B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2C28B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28B8

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28B8	#FFFFFF	#000000	##FFFFFF
##2C28B8	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BC

Deuteranopia (green-blind)

#003BB6

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2c28b8;
/* rgb */ color: rgb(44, 40, 184);
/* oklch */ color: oklch(40.2% 0.214 272.4);

Tailwind

colors: {
  custom: {
    50: '#7d65cf',
    500: '#2c28b8',
    950: '#000000',
  },
}

SCSS

$custom: #2c28b8;
$custom-light: #7d65cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28b8",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 184
  },
  "hsl": {
    "h": 241.667,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4019,
    "c": 0.21376,
    "h": 272.4
  },
  "luminance": 0.05514
}

Semantic roles & 50–950 ramp

primary

#2C28B8

secondary

#C7CA72

accent

#E741E3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2C28B8

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

Preview Lab → · Contrast checker → · Palette generator →