#2F47A6#2F47A6

#2F47A6 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.155 H 268.4°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2F47A6
RGB	rgb(47, 71, 166)
HSL	hsl(228, 56%, 42%)
HSV	hsv(228, 72%, 65%)
CMYK	cmyk(71.7%, 57.2%, 0%, 34.9%)
CIE-LAB	lab(33.70, 24.22, -53.94)
CIE-LCH	lch(33.70, 59.13, 294.18°)
OKLab	oklab(43.76% -0.0042 -0.1554)
OKLCH	oklch(43.76% 0.155 268.4)
XYZ	xyz(10.3061, 7.8629, 37.0436)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47A6 #A68E2F

analogous

#2F83A6 #2F47A6 #532FA6

triadic

#2F47A6 #A62F47 #47A62F

tetradic

#2F47A6 #A62F83 #A68E2F #2FA653

square

#2F47A6 #A62F83 #A68E2F #2FA653

split-complementary

#2F47A6 #A6532F #83A62F

monochromatic

#141E47 #213376 #2F47A6 #4762CB #778BD8

Accessibility & contrast

On white

8.16

#2F47A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2F47A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47A6

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47A6	#FFFFFF	#000000	##FFFFFF
##2F47A6	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#004AA4

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2f47a6;
/* rgb */ color: rgb(47, 71, 166);
/* oklch */ color: oklch(43.8% 0.155 268.4);

Tailwind

colors: {
  custom: {
    50: '#7779c1',
    500: '#2f47a6',
    950: '#000000',
  },
}

SCSS

$custom: #2f47a6;
$custom-light: #7779c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47a6",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 166
  },
  "hsl": {
    "h": 227.899,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43755,
    "c": 0.15548,
    "h": 268.4
  },
  "luminance": 0.07864
}

Semantic roles & 50–950 ramp

primary

#2F47A6

secondary

#C1B070

accent

#C149DF

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2F47A6

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

Preview Lab → · Contrast checker → · Palette generator →