#2F3BBC#2F3BBC

#2F3BBC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.5% C 0.199 H 270.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BBC
RGB	rgb(47, 59, 188)
HSL	hsl(235, 60%, 46%)
HSV	hsv(235, 75%, 74%)
CMYK	cmyk(75%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(32.62, 39.95, -68.78)
CIE-LCH	lch(32.62, 79.54, 300.15°)
OKLab	oklab(43.54% 0.0032 -0.199)
OKLCH	oklch(43.54% 0.199 270.9)
XYZ	xyz(11.8103, 7.3618, 48.3658)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3BBC #BCB02F

analogous

#2F81BC #2F3BBC #692FBC

triadic

#2F3BBC #BC2F3B #3BBC2F

tetradic

#2F3BBC #BC2F81 #BCB02F #2FBC69

square

#2F3BBC #BC2F81 #BCB02F #2FBC69

split-complementary

#2F3BBC #BC692F #81BC2F

monochromatic

#171C5A #232C8B #2F3BBC #545FD4 #858DE0

Accessibility & contrast

On white

8.49

#2F3BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F3BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BBC

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BBC	#FFFFFF	#000000	##FFFFFF
##2F3BBC	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3bbc;
/* rgb */ color: rgb(47, 59, 188);
/* oklch */ color: oklch(43.5% 0.199 270.9);

Tailwind

colors: {
  custom: {
    50: '#7e71d1',
    500: '#2f3bbc',
    950: '#000000',
  },
}

SCSS

$custom: #2f3bbc;
$custom-light: #7e71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3bbc",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 234.894,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43544,
    "c": 0.19905,
    "h": 270.9
  },
  "luminance": 0.07363
}

Semantic roles & 50–950 ramp

primary

#2F3BBC

secondary

#CAC37D

accent

#D645E3

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F3BBC

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

Preview Lab → · Contrast checker → · Palette generator →