#2F55BB#2F55BB

#2F55BB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.167 H 265.2°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#2F55BB
RGB	rgb(47, 85, 187)
HSL	hsl(224, 60%, 46%)
HSV	hsv(224, 75%, 73%)
CMYK	cmyk(74.9%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(39.05, 22.87, -57.68)
CIE-LCH	lch(39.05, 62.05, 291.62°)
OKLab	oklab(48.28% -0.014 -0.1662)
OKLCH	oklch(48.28% 0.167 265.2)
XYZ	xyz(13.3873, 10.6877, 48.3615)
Luminance	0.1069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55BB #BB952F

analogous

#2F9BBB #2F55BB #4F2FBB

triadic

#2F55BB #BB2F55 #55BB2F

tetradic

#2F55BB #BB2F9B #BB952F #2FBB4F

square

#2F55BB #BB2F9B #BB952F #2FBB4F

split-complementary

#2F55BB #BB4F2F #9BBB2F

monochromatic

#162959 #233F8A #2F55BB #5376D4 #849DE0

Accessibility & contrast

On white

6.69

#2F55BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#2F55BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F55BB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55BB	#FFFFFF	#000000	##FFFFFF
##2F55BB	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2f55bb;
/* rgb */ color: rgb(47, 85, 187);
/* oklch */ color: oklch(48.3% 0.167 265.2);

Tailwind

colors: {
  custom: {
    50: '#7b84d0',
    500: '#2f55bb',
    950: '#000000',
  },
}

SCSS

$custom: #2f55bb;
$custom-light: #7b84d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55bb",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 223.714,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48283,
    "c": 0.1668,
    "h": 265.2
  },
  "luminance": 0.10689
}

Semantic roles & 50–950 ramp

primary

#2F55BB

secondary

#C9B57C

accent

#B845E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F55BB

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

Preview Lab → · Contrast checker → · Palette generator →