#2F29B3#2F29B3

#2F29B3 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.9% C 0.206 H 273.7°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#2F29B3
RGB	rgb(47, 41, 179)
HSL	hsl(243, 63%, 43%)
HSV	hsv(243, 77%, 70%)
CMYK	cmyk(73.7%, 77.1%, 0%, 29.8%)
CIE-LAB	lab(27.96, 47.32, -71.11)
CIE-LCH	lch(27.96, 85.42, 303.64°)
OKLab	oklab(39.95% 0.0134 -0.2057)
OKLCH	oklch(39.95% 0.206 273.7)
XYZ	xyz(10.0992, 5.4439, 43.1576)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F29B3 #ADB329

analogous

#2968B3 #2F29B3 #7429B3

triadic

#2F29B3 #B32F29 #29B32F

tetradic

#2F29B3 #B32968 #ADB329 #29B374

square

#2F29B3 #B32968 #ADB329 #29B374

split-complementary

#2F29B3 #B37429 #68B329

monochromatic

#15124F #221E81 #2F29B3 #4B45D4 #7B77E0

Accessibility & contrast

On white

10.05

#2F29B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F29B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F29B3

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F29B3	#FFFFFF	#000000	##FFFFFF
##2F29B3	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003BB1

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f29b3;
/* rgb */ color: rgb(47, 41, 179);
/* oklch */ color: oklch(39.9% 0.206 273.7);

Tailwind

colors: {
  custom: {
    50: '#7d65cb',
    500: '#2f29b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f29b3;
$custom-light: #7d65cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f29b3",
  "rgb": {
    "r": 47,
    "g": 41,
    "b": 179
  },
  "hsl": {
    "h": 242.609,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.39948,
    "c": 0.20617,
    "h": 273.7
  },
  "luminance": 0.05445
}

Semantic roles & 50–950 ramp

primary

#2F29B3

secondary

#C4C770

accent

#E642DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2F29B3

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

Preview Lab → · Contrast checker → · Palette generator →