#2F28A4#2F28A4

#2F28A4 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.189 H 275.2°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A4
RGB	rgb(47, 40, 164)
HSL	hsl(243, 61%, 40%)
HSV	hsv(243, 76%, 64%)
CMYK	cmyk(71.3%, 75.6%, 0%, 35.7%)
CIE-LAB	lab(26.16, 43.00, -65.07)
CIE-LCH	lch(26.16, 78.00, 303.45°)
OKLab	oklab(38.2% 0.017 -0.1882)
OKLCH	oklch(38.2% 0.189 275.2)
XYZ	xyz(8.6297, 4.8014, 35.5867)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A4 #9DA428

analogous

#285FA4 #2F28A4 #6D28A4

triadic

#2F28A4 #A42F28 #28A42F

tetradic

#2F28A4 #A4285F #9DA428 #28A46D

square

#2F28A4 #A4285F #9DA428 #28A46D

split-complementary

#2F28A4 #A46D28 #5FA428

monochromatic

#131042 #211C73 #2F28A4 #433ACF #726BDB

Accessibility & contrast

On white

10.71

#2F28A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2F28A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A4

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A4	#FFFFFF	#000000	##FFFFFF
##2F28A4	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0038A2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f28a4;
/* rgb */ color: rgb(47, 40, 164);
/* oklch */ color: oklch(38.2% 0.189 275.2);

Tailwind

colors: {
  custom: {
    50: '#7a64c0',
    500: '#2f28a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a4;
$custom-light: #7a64c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a4",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 164
  },
  "hsl": {
    "h": 243.387,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.382,
    "c": 0.18892,
    "h": 275.2
  },
  "luminance": 0.04802
}

Semantic roles & 50–950 ramp

primary

#2F28A4

secondary

#BCC166

accent

#E444DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0512

muted

#7C7A81

Preview Lab

Preview with #2F28A4

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

Preview Lab → · Contrast checker → · Palette generator →