#2F3FA7#2F3FA7

#2F3FA7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.167 H 270.7°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FA7
RGB	rgb(47, 63, 167)
HSL	hsl(232, 56%, 42%)
HSV	hsv(232, 72%, 65%)
CMYK	cmyk(71.9%, 62.3%, 0%, 34.5%)
CIE-LAB	lab(31.69, 29.87, -57.81)
CIE-LCH	lch(31.69, 65.07, 297.33°)
OKLab	oklab(42.29% 0.002 -0.1669)
OKLCH	oklch(42.29% 0.167 270.7)
XYZ	xyz(9.9225, 6.9484, 37.3700)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3FA7 #A7972F

analogous

#2F7BA7 #2F3FA7 #5B2FA7

triadic

#2F3FA7 #A72F3F #3FA72F

tetradic

#2F3FA7 #A72F7B #A7972F #2FA75B

square

#2F3FA7 #A72F7B #A7972F #2FA75B

split-complementary

#2F3FA7 #A75B2F #7BA72F

monochromatic

#141B47 #222D77 #2F3FA7 #4859CB #7885D9

Accessibility & contrast

On white

8.79

#2F3FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F3FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FA7

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FA7	#FFFFFF	#000000	##FFFFFF
##2F3FA7	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AA

Deuteranopia (green-blind)

#0045A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3fa7;
/* rgb */ color: rgb(47, 63, 167);
/* oklch */ color: oklch(42.3% 0.167 270.7);

Tailwind

colors: {
  custom: {
    50: '#7874c2',
    500: '#2f3fa7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fa7;
$custom-light: #7874c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fa7",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 167
  },
  "hsl": {
    "h": 232,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42287,
    "c": 0.16689,
    "h": 270.7
  },
  "luminance": 0.06949
}

Semantic roles & 50–950 ramp

primary

#2F3FA7

secondary

#C1B671

accent

#CB48DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F3FA7

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

Preview Lab → · Contrast checker → · Palette generator →