#2F29AB#2F29AB

#2F29AB is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.197 H 274.4°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#2F29AB
RGB	rgb(47, 41, 171)
HSL	hsl(243, 61%, 42%)
HSV	hsv(243, 76%, 67%)
CMYK	cmyk(72.5%, 76%, 0%, 32.9%)
CIE-LAB	lab(27.10, 44.73, -67.75)
CIE-LCH	lch(27.10, 81.18, 303.44°)
OKLab	oklab(39.09% 0.0151 -0.196)
OKLCH	oklch(39.09% 0.197 274.4)
XYZ	xyz(9.3135, 5.1296, 39.0195)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29AB #A5AB29

analogous

#2964AB #2F29AB #7029AB

triadic

#2F29AB #AB2F29 #29AB2F

tetradic

#2F29AB #AB2964 #A5AB29 #29AB70

square

#2F29AB #AB2964 #A5AB29 #29AB70

split-complementary

#2F29AB #AB7029 #64AB29

monochromatic

#141148 #211D7A #2F29AB #4740D1 #7671DD

Accessibility & contrast

On white

10.37

#2F29AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2F29AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29AB

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29AB	#FFFFFF	#000000	##FFFFFF
##2F29AB	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AF

Deuteranopia (green-blind)

#003AA9

Tritanopia (blue-blind)

#004F68

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2f29ab;
/* rgb */ color: rgb(47, 41, 171);
/* oklch */ color: oklch(39.1% 0.197 274.4);

Tailwind

colors: {
  custom: {
    50: '#7b65c5',
    500: '#2f29ab',
    950: '#000000',
  },
}

SCSS

$custom: #2f29ab;
$custom-light: #7b65c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29ab",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 171
  },
  "hsl": {
    "h": 242.769,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39085,
    "c": 0.19653,
    "h": 274.4
  },
  "luminance": 0.0513
}

Semantic roles & 50–950 ramp

primary

#2F29AB

secondary

#C0C46C

accent

#E443DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F29AB

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

Preview Lab → · Contrast checker → · Palette generator →