#2F53BB#2F53BB

#2F53BB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.169 H 265.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2F53BB
RGB	rgb(47, 83, 187)
HSL	hsl(225, 60%, 46%)
HSV	hsv(225, 75%, 73%)
CMYK	cmyk(74.9%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(38.51, 24.18, -58.56)
CIE-LCH	lch(38.51, 63.35, 292.43°)
OKLab	oklab(47.88% -0.0125 -0.1688)
OKLCH	oklch(47.88% 0.169 265.8)
XYZ	xyz(13.2320, 10.3773, 48.3097)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53BB #BB972F

analogous

#2F99BB #2F53BB #512FBB

triadic

#2F53BB #BB2F53 #53BB2F

tetradic

#2F53BB #BB2F99 #BB972F #2FBB51

square

#2F53BB #BB2F99 #BB972F #2FBB51

split-complementary

#2F53BB #BB512F #99BB2F

monochromatic

#162859 #233D8A #2F53BB #5374D4 #849CE0

Accessibility & contrast

On white

6.83

#2F53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2F53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53BB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53BB	#FFFFFF	#000000	##FFFFFF
##2F53BB	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f53bb;
/* rgb */ color: rgb(47, 83, 187);
/* oklch */ color: oklch(47.9% 0.169 265.8);

Tailwind

colors: {
  custom: {
    50: '#7b82d0',
    500: '#2f53bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f53bb;
$custom-light: #7b82d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53bb",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 224.571,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.47877,
    "c": 0.16928,
    "h": 265.8
  },
  "luminance": 0.10379
}

Semantic roles & 50–950 ramp

primary

#2F53BB

secondary

#C9B67C

accent

#BA45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F53BB

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

Preview Lab → · Contrast checker → · Palette generator →