#2F3EAA#2F3EAA

#2F3EAA is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.172 H 270.9°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F3EAA
RGB	rgb(47, 62, 170)
HSL	hsl(233, 57%, 43%)
HSV	hsv(233, 72%, 67%)
CMYK	cmyk(72.4%, 63.5%, 0%, 33.3%)
CIE-LAB	lab(31.69, 31.62, -59.60)
CIE-LCH	lch(31.69, 67.47, 297.95°)
OKLab	oklab(42.37% 0.0026 -0.1721)
OKLCH	oklch(42.37% 0.172 270.9)
XYZ	xyz(10.1481, 6.9508, 38.8292)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3EAA #AA9B2F

analogous

#2F7BAA #2F3EAA #5E2FAA

triadic

#2F3EAA #AA2F3E #3EAA2F

tetradic

#2F3EAA #AA2F7B #AA9B2F #2FAA5E

square

#2F3EAA #AA2F7B #AA9B2F #2FAA5E

split-complementary

#2F3EAA #AA5E2F #7BAA2F

monochromatic

#141B4A #222D7A #2F3EAA #4959CD #7985DA

Accessibility & contrast

On white

8.79

#2F3EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2F3EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3EAA

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3EAA	#FFFFFF	#000000	##FFFFFF
##2F3EAA	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)

#0050AD

Deuteranopia (green-blind)

#0045A8

Tritanopia (blue-blind)

#005A6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2f3eaa;
/* rgb */ color: rgb(47, 62, 170);
/* oklch */ color: oklch(42.4% 0.172 270.9);

Tailwind

colors: {
  custom: {
    50: '#7973c4',
    500: '#2f3eaa',
    950: '#000000',
  },
}

SCSS

$custom: #2f3eaa;
$custom-light: #7973c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3eaa",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 170
  },
  "hsl": {
    "h": 232.683,
    "s": 56.682,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42371,
    "c": 0.17216,
    "h": 270.9
  },
  "luminance": 0.06952
}

Semantic roles & 50–950 ramp

primary

#2F3EAA

secondary

#C2B972

accent

#CD48E0

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3EAA

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

Preview Lab → · Contrast checker → · Palette generator →