#2F47A4#2F47A4

#2F47A4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.6% C 0.153 H 268.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2F47A4
RGB	rgb(47, 71, 164)
HSL	hsl(228, 55%, 41%)
HSV	hsv(228, 71%, 64%)
CMYK	cmyk(71.3%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(33.54, 23.47, -52.99)
CIE-LCH	lch(33.54, 57.95, 293.89°)
OKLab	oklab(43.59% -0.0043 -0.1526)
OKLCH	oklch(43.59% 0.153 268.4)
XYZ	xyz(10.1241, 7.7901, 36.0849)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47A4 #A48C2F

analogous

#2F82A4 #2F47A4 #522FA4

triadic

#2F47A4 #A42F47 #47A42F

tetradic

#2F47A4 #A42F82 #A48C2F #2FA452

square

#2F47A4 #A42F82 #A48C2F #2FA452

split-complementary

#2F47A4 #A4522F #82A42F

monochromatic

#141E45 #213274 #2F47A4 #4661CA #768AD8

Accessibility & contrast

On white

8.21

#2F47A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2F47A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47A4

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47A4	#FFFFFF	#000000	##FFFFFF
##2F47A4	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f47a4;
/* rgb */ color: rgb(47, 71, 164);
/* oklch */ color: oklch(43.6% 0.153 268.4);

Tailwind

colors: {
  custom: {
    50: '#7779c0',
    500: '#2f47a4',
    950: '#000000',
  },
}

SCSS

$custom: #2f47a4;
$custom-light: #7779c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47a4",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 227.692,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.43591,
    "c": 0.15269,
    "h": 268.4
  },
  "luminance": 0.07791
}

Semantic roles & 50–950 ramp

primary

#2F47A4

secondary

#C0AF6F

accent

#C049DF

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F47A4

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

Preview Lab → · Contrast checker → · Palette generator →