#2F54B8#2F54B8

#2F54B8 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.164 H 265.3°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B8
RGB	rgb(47, 84, 184)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 74%, 72%)
CMYK	cmyk(74.5%, 54.3%, 0%, 27.8%)
CIE-LAB	lab(38.56, 22.39, -56.72)
CIE-LCH	lch(38.56, 60.98, 291.54°)
OKLab	oklab(47.84% -0.0135 -0.1634)
OKLCH	oklch(47.84% 0.164 265.3)
XYZ	xyz(12.9913, 10.4043, 46.6617)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B8 #B8932F

analogous

#2F98B8 #2F54B8 #4F2FB8

triadic

#2F54B8 #B82F54 #54B82F

tetradic

#2F54B8 #B82F98 #B8932F #2FB84F

square

#2F54B8 #B82F98 #B8932F #2FB84F

split-complementary

#2F54B8 #B84F2F #98B82F

monochromatic

#162757 #233E87 #2F54B8 #5274D3 #829BDF

Accessibility & contrast

On white

6.82

#2F54B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2F54B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B8

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B8	#FFFFFF	#000000	##FFFFFF
##2F54B8	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BB

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f54b8;
/* rgb */ color: rgb(47, 84, 184);
/* oklch */ color: oklch(47.8% 0.164 265.3);

Tailwind

colors: {
  custom: {
    50: '#7b83ce',
    500: '#2f54b8',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b8;
$custom-light: #7b83ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b8",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 184
  },
  "hsl": {
    "h": 223.796,
    "s": 59.307,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47842,
    "c": 0.16395,
    "h": 265.3
  },
  "luminance": 0.10406
}

Semantic roles & 50–950 ramp

primary

#2F54B8

secondary

#C8B37B

accent

#B845E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F54B8

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

Preview Lab → · Contrast checker → · Palette generator →