#2F3FA6#2F3FA6

#2F3FA6 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.166 H 270.7°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FA6
RGB	rgb(47, 63, 166)
HSL	hsl(232, 56%, 42%)
HSV	hsv(232, 72%, 65%)
CMYK	cmyk(71.7%, 62%, 0%, 34.9%)
CIE-LAB	lab(31.60, 29.51, -57.34)
CIE-LCH	lch(31.60, 64.49, 297.23°)
OKLab	oklab(42.2% 0.002 -0.1655)
OKLCH	oklch(42.2% 0.166 270.7)
XYZ	xyz(9.8304, 6.9115, 36.8850)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FA6 #A6962F

analogous

#2F7BA6 #2F3FA6 #5B2FA6

triadic

#2F3FA6 #A62F3F #3FA62F

tetradic

#2F3FA6 #A62F7B #A6962F #2FA65B

square

#2F3FA6 #A62F7B #A6962F #2FA65B

split-complementary

#2F3FA6 #A65B2F #7BA62F

monochromatic

#141B47 #212D76 #2F3FA6 #4759CB #7784D8

Accessibility & contrast

On white

8.81

#2F3FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2F3FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FA6

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FA6	#FFFFFF	#000000	##FFFFFF
##2F3FA6	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A9

Deuteranopia (green-blind)

#0045A4

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2f3fa6;
/* rgb */ color: rgb(47, 63, 166);
/* oklch */ color: oklch(42.2% 0.166 270.7);

Tailwind

colors: {
  custom: {
    50: '#7874c1',
    500: '#2f3fa6',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fa6;
$custom-light: #7874c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fa6",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 166
  },
  "hsl": {
    "h": 231.933,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.42199,
    "c": 0.16553,
    "h": 270.7
  },
  "luminance": 0.06913
}

Semantic roles & 50–950 ramp

primary

#2F3FA6

secondary

#C1B670

accent

#CB49DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3FA6

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

Preview Lab → · Contrast checker → · Palette generator →