#2F54B9#2F54B9

#2F54B9 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.165 H 265.4°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#2F54B9
RGB	rgb(47, 84, 185)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 75%, 73%)
CMYK	cmyk(74.6%, 54.6%, 0%, 27.5%)
CIE-LAB	lab(38.63, 22.77, -57.19)
CIE-LCH	lch(38.63, 61.55, 291.71°)
OKLab	oklab(47.92% -0.0134 -0.1648)
OKLCH	oklch(47.92% 0.165 265.4)
XYZ	xyz(13.0965, 10.4463, 47.2157)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F54B9 #B9942F

analogous

#2F99B9 #2F54B9 #4F2FB9

triadic

#2F54B9 #B92F54 #54B92F

tetradic

#2F54B9 #B92F99 #B9942F #2FB94F

square

#2F54B9 #B92F99 #B9942F #2FB94F

split-complementary

#2F54B9 #B94F2F #99B92F

monochromatic

#162857 #233E88 #2F54B9 #5275D3 #839CDF

Accessibility & contrast

On white

6.80

#2F54B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#2F54B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F54B9

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F54B9	#FFFFFF	#000000	##FFFFFF
##2F54B9	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BD

Deuteranopia (green-blind)

#0055B7

Tritanopia (blue-blind)

#006D7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2f54b9;
/* rgb */ color: rgb(47, 84, 185);
/* oklch */ color: oklch(47.9% 0.165 265.4);

Tailwind

colors: {
  custom: {
    50: '#7b83cf',
    500: '#2f54b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f54b9;
$custom-light: #7b83cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f54b9",
  "rgb": {
    "r": 47,
    "g": 84,
    "b": 185
  },
  "hsl": {
    "h": 223.913,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47921,
    "c": 0.16532,
    "h": 265.4
  },
  "luminance": 0.10448
}

Semantic roles & 50–950 ramp

primary

#2F54B9

secondary

#C9B47B

accent

#B845E3

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F54B9

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

Preview Lab → · Contrast checker → · Palette generator →