#2F28A9#2F28A9

#2F28A9 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.7% C 0.195 H 274.7°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F28A9
RGB	rgb(47, 40, 169)
HSL	hsl(243, 62%, 41%)
HSV	hsv(243, 76%, 66%)
CMYK	cmyk(72.2%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(26.69, 44.63, -67.22)
CIE-LCH	lch(26.69, 80.68, 303.58°)
OKLab	oklab(38.73% 0.016 -0.1944)
OKLCH	oklch(38.73% 0.195 274.7)
XYZ	xyz(9.0901, 4.9856, 38.0117)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F28A9 #A2A928

analogous

#2861A9 #2F28A9 #6F28A9

triadic

#2F28A9 #A92F28 #28A92F

tetradic

#2F28A9 #A92861 #A2A928 #28A96F

square

#2F28A9 #A92861 #A2A928 #28A96F

split-complementary

#2F28A9 #A96F28 #61A928

monochromatic

#131146 #211C78 #2F28A9 #453DD1 #756FDD

Accessibility & contrast

On white

10.51

#2F28A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2F28A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F28A9

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F28A9	#FFFFFF	#000000	##FFFFFF
##2F28A9	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0039A7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2f28a9;
/* rgb */ color: rgb(47, 40, 169);
/* oklch */ color: oklch(38.7% 0.195 274.7);

Tailwind

colors: {
  custom: {
    50: '#7b64c4',
    500: '#2f28a9',
    950: '#000000',
  },
}

SCSS

$custom: #2f28a9;
$custom-light: #7b64c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f28a9",
  "rgb": {
    "r": 47,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 243.256,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.38734,
    "c": 0.19504,
    "h": 274.7
  },
  "luminance": 0.04986
}

Semantic roles & 50–950 ramp

primary

#2F28A9

secondary

#BFC469

accent

#E543DC

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F28A9

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

Preview Lab → · Contrast checker → · Palette generator →