#2F3399#2F3399

#2F3399 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.8% C 0.163 H 274.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#2F3399
RGB	rgb(47, 51, 153)
HSL	hsl(238, 53%, 39%)
HSV	hsv(238, 69%, 60%)
CMYK	cmyk(69.3%, 66.7%, 0%, 40%)
CIE-LAB	lab(27.49, 32.59, -56.19)
CIE-LCH	lch(27.49, 64.96, 300.12°)
OKLab	oklab(38.83% 0.0117 -0.1622)
OKLCH	oklch(38.83% 0.163 274.1)
XYZ	xyz(8.1040, 5.2712, 30.7212)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3399 #99952F

analogous

#2F6899 #2F3399 #602F99

triadic

#2F3399 #992F33 #33992F

tetradic

#2F3399 #992F68 #99952F #2F9960

square

#2F3399 #992F68 #99952F #2F9960

split-complementary

#2F3399 #99602F #68992F

monochromatic

#12143B #21236A #2F3399 #4146C5 #6F73D3

Accessibility & contrast

On white

10.22

#2F3399 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2F3399 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3399

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3399	#FFFFFF	#000000	##FFFFFF
##2F3399	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469C

Deuteranopia (green-blind)

#003C97

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3399;
/* rgb */ color: rgb(47, 51, 153);
/* oklch */ color: oklch(38.8% 0.163 274.1);

Tailwind

colors: {
  custom: {
    50: '#766bb8',
    500: '#2f3399',
    950: '#000000',
  },
}

SCSS

$custom: #2f3399;
$custom-light: #766bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3399",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 153
  },
  "hsl": {
    "h": 237.736,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.3883,
    "c": 0.16264,
    "h": 274.1
  },
  "luminance": 0.05272
}

Semantic roles & 50–950 ramp

primary

#2F3399

secondary

#BAB769

accent

#D74BDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #2F3399

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

Preview Lab → · Contrast checker → · Palette generator →