#2F47B3#2F47B3

#2F47B3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.173 H 268.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F47B3
RGB	rgb(47, 71, 179)
HSL	hsl(229, 58%, 44%)
HSV	hsv(229, 74%, 70%)
CMYK	cmyk(73.7%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(34.73, 29.06, -60.00)
CIE-LCH	lch(34.73, 66.66, 295.84°)
OKLab	oklab(44.85% -0.0039 -0.1732)
OKLCH	oklch(44.85% 0.173 268.7)
XYZ	xyz(11.5594, 8.3643, 43.6443)
Luminance	0.0837 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F47B3 #B39B2F

analogous

#2F89B3 #2F47B3 #592FB3

triadic

#2F47B3 #B32F47 #47B32F

tetradic

#2F47B3 #B32F89 #B39B2F #2FB359

square

#2F47B3 #B32F89 #B39B2F #2FB359

split-complementary

#2F47B3 #B3592F #89B32F

monochromatic

#162152 #223483 #2F47B3 #4F66D1 #7F90DD

Accessibility & contrast

On white

7.86

#2F47B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2F47B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F47B3

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F47B3	#FFFFFF	#000000	##FFFFFF
##2F47B3	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f47b3;
/* rgb */ color: rgb(47, 71, 179);
/* oklch */ color: oklch(44.9% 0.173 268.7);

Tailwind

colors: {
  custom: {
    50: '#7a7acb',
    500: '#2f47b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f47b3;
$custom-light: #7a7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f47b3",
  "rgb": {
    "r": 47,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 229.091,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44851,
    "c": 0.17326,
    "h": 268.7
  },
  "luminance": 0.08365
}

Semantic roles & 50–950 ramp

primary

#2F47B3

secondary

#C6B878

accent

#C546E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #2F47B3

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

Preview Lab → · Contrast checker → · Palette generator →