#2F47A3#2F47A3

#2F47A3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.151 H 268.3°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F47A3
RGB	rgb(47, 71, 163)
HSL	hsl(228, 55%, 41%)
HSV	hsv(228, 71%, 64%)
CMYK	cmyk(71.2%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(33.47, 23.10, -52.51)
CIE-LCH	lch(33.47, 57.37, 293.74°)
OKLab	oklab(43.51% -0.0044 -0.1512)
OKLCH	oklch(43.51% 0.151 268.3)
XYZ	xyz(10.0341, 7.7541, 35.6111)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47A3 #A38B2F

analogous

#2F81A3 #2F47A3 #512FA3

triadic

#2F47A3 #A32F47 #47A32F

tetradic

#2F47A3 #A32F81 #A38B2F #2FA351

square

#2F47A3 #A32F81 #A38B2F #2FA351

split-complementary

#2F47A3 #A3512F #81A32F

monochromatic

#141E44 #213273 #2F47A3 #4661CA #7589D7

Accessibility & contrast

On white

8.23

#2F47A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2F47A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47A3

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47A3	#FFFFFF	#000000	##FFFFFF
##2F47A3	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f47a3;
/* rgb */ color: rgb(47, 71, 163);
/* oklch */ color: oklch(43.5% 0.151 268.3);

Tailwind

colors: {
  custom: {
    50: '#7779bf',
    500: '#2f47a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f47a3;
$custom-light: #7779bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47a3",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 227.586,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4351,
    "c": 0.15128,
    "h": 268.3
  },
  "luminance": 0.07755
}

Semantic roles & 50–950 ramp

primary

#2F47A3

secondary

#BFAE6F

accent

#C049DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F47A3

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

Preview Lab → · Contrast checker → · Palette generator →