#2F55B6#2F55B6

#2F55B6 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.160 H 264.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F55B6
RGB	rgb(47, 85, 182)
HSL	hsl(223, 59%, 45%)
HSV	hsv(223, 74%, 71%)
CMYK	cmyk(74.2%, 53.3%, 0%, 28.6%)
CIE-LAB	lab(38.69, 20.98, -55.34)
CIE-LCH	lch(38.69, 59.18, 290.76°)
OKLab	oklab(47.89% -0.0144 -0.1593)
OKLCH	oklch(47.89% 0.16 264.8)
XYZ	xyz(12.8613, 10.4773, 45.5914)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F55B6 #B6902F

analogous

#2F99B6 #2F55B6 #4C2FB6

triadic

#2F55B6 #B62F55 #55B62F

tetradic

#2F55B6 #B62F99 #B6902F #2FB64C

square

#2F55B6 #B62F99 #B6902F #2FB64C

split-complementary

#2F55B6 #B64C2F #99B62F

monochromatic

#162855 #223E85 #2F55B6 #5075D2 #819BDE

Accessibility & contrast

On white

6.78

#2F55B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2F55B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F55B6

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F55B6	#FFFFFF	#000000	##FFFFFF
##2F55B6	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D62B9

Deuteranopia (green-blind)

#0055B4

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f55b6;
/* rgb */ color: rgb(47, 85, 182);
/* oklch */ color: oklch(47.9% 0.160 264.8);

Tailwind

colors: {
  custom: {
    50: '#7a84cd',
    500: '#2f55b6',
    950: '#000000',
  },
}

SCSS

$custom: #2f55b6;
$custom-light: #7a84cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f55b6",
  "rgb": {
    "r": 47,
    "g": 85,
    "b": 182
  },
  "hsl": {
    "h": 223.111,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47893,
    "c": 0.15997,
    "h": 264.8
  },
  "luminance": 0.10479
}

Semantic roles & 50–950 ramp

primary

#2F55B6

secondary

#C7B179

accent

#B646E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F55B6

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

Preview Lab → · Contrast checker → · Palette generator →