#2F28AC#2F28AC

#2F28AC is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.199 H 274.4°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#2F28AC
RGB	rgb(47, 40, 172)
HSL	hsl(243, 62%, 42%)
HSV	hsv(243, 77%, 67%)
CMYK	cmyk(72.7%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(27.02, 45.60, -68.49)
CIE-LCH	lch(27.02, 82.28, 303.66°)
OKLab	oklab(39.06% 0.0153 -0.1981)
OKLCH	oklch(39.06% 0.199 274.4)
XYZ	xyz(9.3750, 5.0996, 39.5120)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28AC #A5AC28

analogous

#2863AC #2F28AC #7128AC

triadic

#2F28AC #AC2F28 #28AC2F

tetradic

#2F28AC #AC2863 #A5AC28 #28AC71

square

#2F28AC #AC2863 #A5AC28 #28AC71

split-complementary

#2F28AC #AC7128 #63AC28

monochromatic

#141149 #211C7A #2F28AC #473FD2 #7671DE

Accessibility & contrast

On white

10.40

#2F28AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2F28AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28AC

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28AC	#FFFFFF	#000000	##FFFFFF
##2F28AC	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B0

Deuteranopia (green-blind)

#003AAA

Tritanopia (blue-blind)

#004F69

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f28ac;
/* rgb */ color: rgb(47, 40, 172);
/* oklch */ color: oklch(39.1% 0.199 274.4);

Tailwind

colors: {
  custom: {
    50: '#7b64c6',
    500: '#2f28ac',
    950: '#000000',
  },
}

SCSS

$custom: #2f28ac;
$custom-light: #7b64c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28ac",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 243.182,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39057,
    "c": 0.19868,
    "h": 274.4
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#2F28AC

secondary

#C0C56B

accent

#E542DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F28AC

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

Preview Lab → · Contrast checker → · Palette generator →