#2F28CD#2F28CD

#2F28CD is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.7% C 0.237 H 271.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#2F28CD
RGB	rgb(47, 40, 205)
HSL	hsl(243, 67%, 48%)
HSV	hsv(243, 80%, 80%)
CMYK	cmyk(77.1%, 80.5%, 0%, 19.6%)
CIE-LAB	lab(30.71, 55.94, -81.90)
CIE-LCH	lch(30.71, 99.18, 304.33°)
OKLab	oklab(42.72% 0.0079 -0.237)
OKLCH	oklch(42.72% 0.237 271.9)
XYZ	xyz(12.9468, 6.5283, 58.3235)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28CD #C6CD28

analogous

#2874CD #2F28CD #8128CD

triadic

#2F28CD #CD2F28 #28CD2F

tetradic

#2F28CD #CD2874 #C6CD28 #28CD81

square

#2F28CD #CD2874 #C6CD28 #28CD81

split-complementary

#2F28CD #CD8128 #74CD28

monochromatic

#181467 #231E9A #2F28CD #5A54DE #8C88E8

Accessibility & contrast

On white

9.11

#2F28CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2F28CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28CD

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28CD	#FFFFFF	#000000	##FFFFFF
##2F28CD	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050D2

Deuteranopia (green-blind)

#0040CA

Tritanopia (blue-blind)

#005C7C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f28cd;
/* rgb */ color: rgb(47, 40, 205);
/* oklch */ color: oklch(42.7% 0.237 271.9);

Tailwind

colors: {
  custom: {
    50: '#8366de',
    500: '#2f28cd',
    950: '#000000',
  },
}

SCSS

$custom: #2f28cd;
$custom-light: #8366de;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28cd",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 205
  },
  "hsl": {
    "h": 242.545,
    "s": 67.347,
    "l": 48.039
  },
  "oklch": {
    "l": 0.42716,
    "c": 0.23713,
    "h": 271.9
  },
  "luminance": 0.0653
}

Semantic roles & 50–950 ramp

primary

#2F28CD

secondary

#CED180

accent

#EA3EE3

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #2F28CD

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

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