#2C28B3#2C28B3

#2C28B3 is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.6% C 0.208 H 272.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#2C28B3
RGB	rgb(44, 40, 179)
HSL	hsl(242, 63%, 43%)
HSV	hsv(242, 78%, 70%)
CMYK	cmyk(75.4%, 77.7%, 0%, 29.8%)
CIE-LAB	lab(27.59, 47.61, -71.74)
CIE-LCH	lch(27.59, 86.10, 303.57°)
OKLab	oklab(39.64% 0.0101 -0.2076)
OKLCH	oklch(39.64% 0.208 272.8)
XYZ	xyz(9.9315, 5.3067, 43.1400)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C28B3 #AFB328

analogous

#2869B3 #2C28B3 #7228B3

triadic

#2C28B3 #B32C28 #28B32C

tetradic

#2C28B3 #B32869 #AFB328 #28B372

square

#2C28B3 #B32869 #AFB328 #28B372

split-complementary

#2C28B3 #B37228 #69B328

monochromatic

#13124F #201D81 #2C28B3 #4743D5 #7875E0

Accessibility & contrast

On white

10.19

#2C28B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2C28B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C28B3

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C28B3	#FFFFFF	#000000	##FFFFFF
##2C28B3	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2c28b3;
/* rgb */ color: rgb(44, 40, 179);
/* oklch */ color: oklch(39.6% 0.208 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c65cb',
    500: '#2c28b3',
    950: '#000000',
  },
}

SCSS

$custom: #2c28b3;
$custom-light: #7c65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2c28b3",
  "rgb": {
    "r": 44,
    "g": 40,
    "b": 179
  },
  "hsl": {
    "h": 241.727,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39636,
    "c": 0.20785,
    "h": 272.8
  },
  "luminance": 0.05308
}

Semantic roles & 50–950 ramp

primary

#2C28B3

secondary

#C5C86F

accent

#E641E2

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2C28B3

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

Preview Lab → · Contrast checker → · Palette generator →