#2F29B5#2F29B5

#2F29B5 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.209 H 273.6°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#2F29B5
RGB	rgb(47, 41, 181)
HSL	hsl(243, 63%, 44%)
HSV	hsv(243, 77%, 71%)
CMYK	cmyk(74%, 77.3%, 0%, 29%)
CIE-LAB	lab(28.18, 47.96, -71.95)
CIE-LCH	lch(28.18, 86.47, 303.69°)
OKLab	oklab(40.17% 0.0129 -0.2081)
OKLCH	oklch(40.17% 0.209 273.6)
XYZ	xyz(10.3029, 5.5254, 44.2306)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29B5 #AFB529

analogous

#2969B5 #2F29B5 #7529B5

triadic

#2F29B5 #B52F29 #29B52F

tetradic

#2F29B5 #B52969 #AFB529 #29B575

square

#2F29B5 #B52969 #AFB529 #29B575

split-complementary

#2F29B5 #B57529 #69B529

monochromatic

#151251 #221E83 #2F29B5 #4C46D5 #7C78E0

Accessibility & contrast

On white

9.98

#2F29B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2F29B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29B5

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29B5	#FFFFFF	#000000	##FFFFFF
##2F29B5	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B9

Deuteranopia (green-blind)

#003CB3

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f29b5;
/* rgb */ color: rgb(47, 41, 181);
/* oklch */ color: oklch(40.2% 0.209 273.6);

Tailwind

colors: {
  custom: {
    50: '#7d66cd',
    500: '#2f29b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f29b5;
$custom-light: #7d66cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29b5",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 181
  },
  "hsl": {
    "h": 242.571,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40165,
    "c": 0.20855,
    "h": 273.6
  },
  "luminance": 0.05526
}

Semantic roles & 50–950 ramp

primary

#2F29B5

secondary

#C4C872

accent

#E642DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #2F29B5

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

Preview Lab → · Contrast checker → · Palette generator →