#2F3AA9#2F3AA9

#2F3AA9 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.6% C 0.176 H 271.8°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#2F3AA9
RGB	rgb(47, 58, 169)
HSL	hsl(235, 56%, 42%)
HSV	hsv(235, 72%, 66%)
CMYK	cmyk(72.2%, 65.7%, 0%, 33.7%)
CIE-LAB	lab(30.63, 33.84, -60.75)
CIE-LCH	lch(30.63, 69.53, 299.12°)
OKLab	oklab(41.56% 0.0055 -0.1755)
OKLCH	oklch(41.56% 0.176 271.8)
XYZ	xyz(9.8444, 6.4940, 38.2631)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3AA9 #A99E2F

analogous

#2F77A9 #2F3AA9 #612FA9

triadic

#2F3AA9 #A92F3A #3AA92F

tetradic

#2F3AA9 #A92F77 #A99E2F #2FA961

square

#2F3AA9 #A92F77 #A99E2F #2FA961

split-complementary

#2F3AA9 #A9612F #77A92F

monochromatic

#141949 #222A79 #2F3AA9 #4955CC #7981DA

Accessibility & contrast

On white

9.13

#2F3AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F3AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3AA9

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3AA9	#FFFFFF	#000000	##FFFFFF
##2F3AA9	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAD

Deuteranopia (green-blind)

#0042A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f3aa9;
/* rgb */ color: rgb(47, 58, 169);
/* oklch */ color: oklch(41.6% 0.176 271.8);

Tailwind

colors: {
  custom: {
    50: '#7970c4',
    500: '#2f3aa9',
    950: '#000000',
  },
}

SCSS

$custom: #2f3aa9;
$custom-light: #7970c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3aa9",
  "rgb": {
    "r": 47,
    "g": 58,
    "b": 169
  },
  "hsl": {
    "h": 234.59,
    "s": 56.481,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4156,
    "c": 0.17562,
    "h": 271.8
  },
  "luminance": 0.06495
}

Semantic roles & 50–950 ramp

primary

#2F3AA9

secondary

#C2BB72

accent

#D248E0

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2F3AA9

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

Preview Lab → · Contrast checker → · Palette generator →