#2F28AA#2F28AA

#2F28AA is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.8% C 0.196 H 274.6°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#2F28AA
RGB	rgb(47, 40, 170)
HSL	hsl(243, 62%, 41%)
HSV	hsv(243, 76%, 67%)
CMYK	cmyk(72.4%, 76.5%, 0%, 33.3%)
CIE-LAB	lab(26.80, 44.96, -67.64)
CIE-LCH	lch(26.80, 81.22, 303.61°)
OKLab	oklab(38.84% 0.0158 -0.1956)
OKLCH	oklch(38.84% 0.196 274.6)
XYZ	xyz(9.1844, 5.0233, 38.5080)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28AA #A3AA28

analogous

#2862AA #2F28AA #7028AA

triadic

#2F28AA #AA2F28 #28AA2F

tetradic

#2F28AA #AA2862 #A3AA28 #28AA70

square

#2F28AA #AA2862 #A3AA28 #28AA70

split-complementary

#2F28AA #AA7028 #62AA28

monochromatic

#141147 #211C78 #2F28AA #463ED2 #756FDD

Accessibility & contrast

On white

10.47

#2F28AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F28AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28AA

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28AA	#FFFFFF	#000000	##FFFFFF
##2F28AA	1.00	10.47	2.00	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AE

Deuteranopia (green-blind)

#0039A8

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f28aa;
/* rgb */ color: rgb(47, 40, 170);
/* oklch */ color: oklch(38.8% 0.196 274.6);

Tailwind

colors: {
  custom: {
    50: '#7b64c5',
    500: '#2f28aa',
    950: '#000000',
  },
}

SCSS

$custom: #2f28aa;
$custom-light: #7b64c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28aa",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 170
  },
  "hsl": {
    "h": 243.231,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38842,
    "c": 0.19626,
    "h": 274.6
  },
  "luminance": 0.05024
}

Semantic roles & 50–950 ramp

primary

#2F28AA

secondary

#BFC46A

accent

#E543DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F28AA

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

Preview Lab → · Contrast checker → · Palette generator →