#2F3C99#2F3C99

#2F3C99 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.151 H 271.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#2F3C99
RGB	rgb(47, 60, 153)
HSL	hsl(233, 53%, 39%)
HSV	hsv(233, 69%, 60%)
CMYK	cmyk(69.3%, 60.8%, 0%, 40%)
CIE-LAB	lab(29.75, 26.71, -52.50)
CIE-LCH	lch(29.75, 58.90, 296.96°)
OKLab	oklab(40.49% 0.0046 -0.1513)
OKLCH	oklch(40.49% 0.151 271.7)
XYZ	xyz(8.5360, 6.1352, 30.8652)
Luminance	0.0614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3C99 #998C2F

analogous

#2F7199 #2F3C99 #572F99

triadic

#2F3C99 #992F3C #3C992F

tetradic

#2F3C99 #992F71 #998C2F #2F9957

square

#2F3C99 #992F71 #998C2F #2F9957

split-complementary

#2F3C99 #99572F #71992F

monochromatic

#12173B #212A6A #2F3C99 #4151C5 #6F7CD3

Accessibility & contrast

On white

9.43

#2F3C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2F3C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3C99

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3C99	#FFFFFF	#000000	##FFFFFF
##2F3C99	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2f3c99;
/* rgb */ color: rgb(47, 60, 153);
/* oklch */ color: oklch(40.5% 0.151 271.7);

Tailwind

colors: {
  custom: {
    50: '#7571b8',
    500: '#2f3c99',
    950: '#000000',
  },
}

SCSS

$custom: #2f3c99;
$custom-light: #7571b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3c99",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 232.642,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40489,
    "c": 0.1514,
    "h": 271.7
  },
  "luminance": 0.06136
}

Semantic roles & 50–950 ramp

primary

#2F3C99

secondary

#BAB069

accent

#CB4BDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3C99

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

Preview Lab → · Contrast checker → · Palette generator →