#2F47A8#2F47A8

#2F47A8 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.158 H 268.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F47A8
RGB	rgb(47, 71, 168)
HSL	hsl(228, 56%, 42%)
HSV	hsv(228, 72%, 66%)
CMYK	cmyk(72%, 57.7%, 0%, 34.1%)
CIE-LAB	lab(33.85, 24.97, -54.88)
CIE-LCH	lch(33.85, 60.30, 294.46°)
OKLab	oklab(43.92% -0.0041 -0.1582)
OKLCH	oklch(43.92% 0.158 268.5)
XYZ	xyz(10.4910, 7.9369, 38.0173)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47A8 #A8902F

analogous

#2F84A8 #2F47A8 #532FA8

triadic

#2F47A8 #A82F47 #47A82F

tetradic

#2F47A8 #A82F84 #A8902F #2FA853

square

#2F47A8 #A82F84 #A8902F #2FA853

split-complementary

#2F47A8 #A8532F #84A82F

monochromatic

#141F48 #223378 #2F47A8 #4862CC #788BD9

Accessibility & contrast

On white

8.12

#2F47A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2F47A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47A8

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47A8	#FFFFFF	#000000	##FFFFFF
##2F47A8	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AB

Deuteranopia (green-blind)

#004AA6

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2f47a8;
/* rgb */ color: rgb(47, 71, 168);
/* oklch */ color: oklch(43.9% 0.158 268.5);

Tailwind

colors: {
  custom: {
    50: '#7879c3',
    500: '#2f47a8',
    950: '#000000',
  },
}

SCSS

$custom: #2f47a8;
$custom-light: #7879c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47a8",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 168
  },
  "hsl": {
    "h": 228.099,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4392,
    "c": 0.15825,
    "h": 268.5
  },
  "luminance": 0.07938
}

Semantic roles & 50–950 ramp

primary

#2F47A8

secondary

#C1B271

accent

#C248E0

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F47A8

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

Preview Lab → · Contrast checker → · Palette generator →