#2F3398#2F3398

#2F3398 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.161 H 274.2°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#2F3398
RGB	rgb(47, 51, 152)
HSL	hsl(238, 53%, 39%)
HSV	hsv(238, 69%, 60%)
CMYK	cmyk(69.1%, 66.4%, 0%, 40.4%)
CIE-LAB	lab(27.40, 32.24, -55.72)
CIE-LCH	lch(27.40, 64.38, 300.05°)
OKLab	oklab(38.74% 0.0118 -0.1609)
OKLCH	oklch(38.74% 0.161 274.2)
XYZ	xyz(8.0217, 5.2383, 30.2880)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3398 #98942F

analogous

#2F6898 #2F3398 #602F98

triadic

#2F3398 #982F33 #33982F

tetradic

#2F3398 #982F68 #98942F #2F9860

square

#2F3398 #982F68 #98942F #2F9860

split-complementary

#2F3398 #98602F #68982F

monochromatic

#12143B #212369 #2F3398 #4045C4 #6F73D2

Accessibility & contrast

On white

10.25

#2F3398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#2F3398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3398

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3398	#FFFFFF	#000000	##FFFFFF
##2F3398	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469B

Deuteranopia (green-blind)

#003C96

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f3398;
/* rgb */ color: rgb(47, 51, 152);
/* oklch */ color: oklch(38.7% 0.161 274.2);

Tailwind

colors: {
  custom: {
    50: '#766bb7',
    500: '#2f3398',
    950: '#000000',
  },
}

SCSS

$custom: #2f3398;
$custom-light: #766bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3398",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 152
  },
  "hsl": {
    "h": 237.714,
    "s": 52.764,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38736,
    "c": 0.16129,
    "h": 274.2
  },
  "luminance": 0.05239
}

Semantic roles & 50–950 ramp

primary

#2F3398

secondary

#BAB769

accent

#D74CDC

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #2F3398

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

Preview Lab → · Contrast checker → · Palette generator →