#2F28A6#2F28A6

#2F28A6 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.191 H 275.0°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A6
RGB	rgb(47, 40, 166)
HSL	hsl(243, 61%, 40%)
HSV	hsv(243, 76%, 65%)
CMYK	cmyk(71.7%, 75.9%, 0%, 34.9%)
CIE-LAB	lab(26.37, 43.65, -65.93)
CIE-LCH	lch(26.37, 79.07, 303.51°)
OKLab	oklab(38.41% 0.0166 -0.1907)
OKLCH	oklch(38.41% 0.191 275)
XYZ	xyz(8.8117, 4.8742, 36.5454)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A6 #9FA628

analogous

#2860A6 #2F28A6 #6E28A6

triadic

#2F28A6 #A62F28 #28A62F

tetradic

#2F28A6 #A62860 #9FA628 #28A66E

square

#2F28A6 #A62860 #9FA628 #28A66E

split-complementary

#2F28A6 #A66E28 #60A628

monochromatic

#131043 #211C75 #2F28A6 #443BD0 #736DDC

Accessibility & contrast

On white

10.63

#2F28A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2F28A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A6

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A6	#FFFFFF	#000000	##FFFFFF
##2F28A6	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2f28a6;
/* rgb */ color: rgb(47, 40, 166);
/* oklch */ color: oklch(38.4% 0.191 275.0);

Tailwind

colors: {
  custom: {
    50: '#7a64c2',
    500: '#2f28a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a6;
$custom-light: #7a64c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a6",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 166
  },
  "hsl": {
    "h": 243.333,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38413,
    "c": 0.19138,
    "h": 275
  },
  "luminance": 0.04875
}

Semantic roles & 50–950 ramp

primary

#2F28A6

secondary

#BDC267

accent

#E444DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2F28A6

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

Preview Lab → · Contrast checker → · Palette generator →