#2F3FBD#2F3FBD

#2F3FBD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.196 H 270.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2F3FBD
RGB	rgb(47, 63, 189)
HSL	hsl(233, 60%, 46%)
HSV	hsv(233, 75%, 74%)
CMYK	cmyk(75.1%, 66.7%, 0%, 25.9%)
CIE-LAB	lab(33.63, 37.82, -67.70)
CIE-LCH	lch(33.63, 77.55, 299.19°)
OKLab	oklab(44.31% 0.0009 -0.1959)
OKLCH	oklch(44.31% 0.196 270.2)
XYZ	xyz(12.1320, 7.8322, 49.0066)
Luminance	0.0783 (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

#2F3FBD #BDAD2F

analogous

#2F86BD #2F3FBD #662FBD

triadic

#2F3FBD #BD2F3F #3FBD2F

tetradic

#2F3FBD #BD2F86 #BDAD2F #2FBD66

square

#2F3FBD #BD2F86 #BDAD2F #2FBD66

split-complementary

#2F3FBD #BD662F #86BD2F

monochromatic

#171E5B #232F8C #2F3FBD #5563D5 #8690E1

Accessibility & contrast

On white

8.18

#2F3FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F3FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3FBD

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3FBD	#FFFFFF	#000000	##FFFFFF
##2F3FBD	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f3fbd;
/* rgb */ color: rgb(47, 63, 189);
/* oklch */ color: oklch(44.3% 0.196 270.2);

Tailwind

colors: {
  custom: {
    50: '#7d74d2',
    500: '#2f3fbd',
    950: '#000000',
  },
}

SCSS

$custom: #2f3fbd;
$custom-light: #7d74d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3fbd",
  "rgb": {
    "r": 47,
    "g": 63,
    "b": 189
  },
  "hsl": {
    "h": 233.239,
    "s": 60.169,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44309,
    "c": 0.19586,
    "h": 270.2
  },
  "luminance": 0.07833
}

Semantic roles & 50–950 ramp

primary

#2F3FBD

secondary

#CAC27E

accent

#D144E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2F3FBD

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

Preview Lab → · Contrast checker → · Palette generator →