#2F3899#2F3899

#2F3899 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.156 H 272.9°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F3899
RGB	rgb(47, 56, 153)
HSL	hsl(235, 53%, 39%)
HSV	hsv(235, 69%, 60%)
CMYK	cmyk(69.3%, 63.4%, 0%, 40%)
CIE-LAB	lab(28.73, 29.35, -54.17)
CIE-LCH	lch(28.73, 61.61, 298.45°)
OKLab	oklab(39.73% 0.0079 -0.1563)
OKLCH	oklch(39.73% 0.156 272.9)
XYZ	xyz(8.3343, 5.7318, 30.7979)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3899 #99902F

analogous

#2F6D99 #2F3899 #5B2F99

triadic

#2F3899 #992F38 #38992F

tetradic

#2F3899 #992F6D #99902F #2F995B

square

#2F3899 #992F6D #99902F #2F995B

split-complementary

#2F3899 #995B2F #6D992F

monochromatic

#12163B #21276A #2F3899 #414CC5 #6F78D3

Accessibility & contrast

On white

9.78

#2F3899 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2F3899 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3899

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3899	#FFFFFF	#000000	##FFFFFF
##2F3899	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2f3899;
/* rgb */ color: rgb(47, 56, 153);
/* oklch */ color: oklch(39.7% 0.156 272.9);

Tailwind

colors: {
  custom: {
    50: '#766eb8',
    500: '#2f3899',
    950: '#000000',
  },
}

SCSS

$custom: #2f3899;
$custom-light: #766eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3899",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 153
  },
  "hsl": {
    "h": 234.906,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39732,
    "c": 0.15648,
    "h": 272.9
  },
  "luminance": 0.05733
}

Semantic roles & 50–950 ramp

primary

#2F3899

secondary

#BAB469

accent

#D04BDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #2F3899

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

Preview Lab → · Contrast checker → · Palette generator →