#2F28A8#2F28A8

#2F28A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.6% C 0.194 H 274.8°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A8
RGB	rgb(47, 40, 168)
HSL	hsl(243, 62%, 41%)
HSV	hsv(243, 76%, 66%)
CMYK	cmyk(72%, 76.2%, 0%, 34.1%)
CIE-LAB	lab(26.59, 44.30, -66.79)
CIE-LCH	lch(26.59, 80.15, 303.56°)
OKLab	oklab(38.63% 0.0162 -0.1931)
OKLCH	oklch(38.63% 0.194 274.8)
XYZ	xyz(8.9966, 4.9482, 37.5192)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A8 #A1A828

analogous

#2861A8 #2F28A8 #6F28A8

triadic

#2F28A8 #A82F28 #28A82F

tetradic

#2F28A8 #A82861 #A1A828 #28A86F

square

#2F28A8 #A82861 #A1A828 #28A86F

split-complementary

#2F28A8 #A86F28 #61A828

monochromatic

#131045 #211C77 #2F28A8 #453DD1 #746EDC

Accessibility & contrast

On white

10.55

#2F28A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2F28A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A8

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A8	#FFFFFF	#000000	##FFFFFF
##2F28A8	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0039A6

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f28a8;
/* rgb */ color: rgb(47, 40, 168);
/* oklch */ color: oklch(38.6% 0.194 274.8);

Tailwind

colors: {
  custom: {
    50: '#7b64c3',
    500: '#2f28a8',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a8;
$custom-light: #7b64c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a8",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 168
  },
  "hsl": {
    "h": 243.281,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.38627,
    "c": 0.19383,
    "h": 274.8
  },
  "luminance": 0.04949
}

Semantic roles & 50–950 ramp

primary

#2F28A8

secondary

#BEC369

accent

#E543DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F28A8

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

Preview Lab → · Contrast checker → · Palette generator →