#2F3B99#2F3B99

#2F3B99 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.153 H 272.0°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#2F3B99
RGB	rgb(47, 59, 153)
HSL	hsl(233, 53%, 39%)
HSV	hsv(233, 69%, 60%)
CMYK	cmyk(69.3%, 61.4%, 0%, 40%)
CIE-LAB	lab(29.49, 27.37, -52.92)
CIE-LCH	lch(29.49, 59.58, 297.35°)
OKLab	oklab(40.3% 0.0055 -0.1526)
OKLCH	oklch(40.3% 0.153 272)
XYZ	xyz(8.4841, 6.0314, 30.8479)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3B99 #998D2F

analogous

#2F7099 #2F3B99 #582F99

triadic

#2F3B99 #992F3B #3B992F

tetradic

#2F3B99 #992F70 #998D2F #2F9958

square

#2F3B99 #992F70 #998D2F #2F9958

split-complementary

#2F3B99 #99582F #70992F

monochromatic

#12173B #21296A #2F3B99 #4150C5 #6F7BD3

Accessibility & contrast

On white

9.52

#2F3B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2F3B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3B99

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3B99	#FFFFFF	#000000	##FFFFFF
##2F3B99	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2f3b99;
/* rgb */ color: rgb(47, 59, 153);
/* oklch */ color: oklch(40.3% 0.153 272.0);

Tailwind

colors: {
  custom: {
    50: '#7570b8',
    500: '#2f3b99',
    950: '#000000',
  },
}

SCSS

$custom: #2f3b99;
$custom-light: #7570b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3b99",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 233.208,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40297,
    "c": 0.15269,
    "h": 272
  },
  "luminance": 0.06032
}

Semantic roles & 50–950 ramp

primary

#2F3B99

secondary

#BAB169

accent

#CC4BDC

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2F3B99

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

Preview Lab → · Contrast checker → · Palette generator →