#2F3F96#2F3F96

#2F3F96 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.143 H 270.8°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#2F3F96
RGB	rgb(47, 63, 150)
HSL	hsl(231, 52%, 39%)
HSV	hsv(231, 69%, 59%)
CMYK	cmyk(68.7%, 58%, 0%, 41.2%)
CIE-LAB	lab(30.30, 23.59, -49.77)
CIE-LCH	lch(30.30, 55.08, 295.36°)
OKLab	oklab(40.83% 0.002 -0.1433)
OKLCH	oklch(40.83% 0.143 270.8)
XYZ	xyz(8.4530, 6.3606, 29.6305)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3F96 #96862F

analogous

#2F7296 #2F3F96 #522F96

triadic

#2F3F96 #962F3F #3F962F

tetradic

#2F3F96 #962F72 #96862F #2F9652

square

#2F3F96 #962F72 #96862F #2F9652

split-complementary

#2F3F96 #96522F #72962F

monochromatic

#121839 #202B67 #2F3F96 #3F54C3 #6E7DD2

Accessibility & contrast

On white

9.24

#2F3F96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#2F3F96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3F96

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3F96	#FFFFFF	#000000	##FFFFFF
##2F3F96	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C99

Deuteranopia (green-blind)

#004394

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2f3f96;
/* rgb */ color: rgb(47, 63, 150);
/* oklch */ color: oklch(40.8% 0.143 270.8);

Tailwind

colors: {
  custom: {
    50: '#7473b6',
    500: '#2f3f96',
    950: '#000000',
  },
}

SCSS

$custom: #2f3f96;
$custom-light: #7473b6;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3f96",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 150
  },
  "hsl": {
    "h": 230.68,
    "s": 52.284,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40826,
    "c": 0.14328,
    "h": 270.8
  },
  "luminance": 0.06361
}

Semantic roles & 50–950 ramp

primary

#2F3F96

secondary

#B9AC68

accent

#C54CDC

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2F3F96

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

Preview Lab → · Contrast checker → · Palette generator →