#2B47B3#2B47B3

#2B47B3 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.174 H 267.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B47B3
RGB	rgb(43, 71, 179)
HSL	hsl(228, 61%, 44%)
HSV	hsv(228, 76%, 70%)
CMYK	cmyk(76%, 60.3%, 0%, 29.8%)
CIE-LAB	lab(34.55, 28.59, -60.31)
CIE-LCH	lch(34.55, 66.74, 295.36°)
OKLab	oklab(44.66% -0.0076 -0.1742)
OKLCH	oklch(44.66% 0.174 267.5)
XYZ	xyz(11.3834, 8.2735, 43.6361)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B47B3 #B3972B

analogous

#2B8BB3 #2B47B3 #532BB3

triadic

#2B47B3 #B32B47 #47B32B

tetradic

#2B47B3 #B32B8B #B3972B #2BB353

square

#2B47B3 #B32B8B #B3972B #2BB353

split-complementary

#2B47B3 #B3532B #8BB32B

monochromatic

#132050 #1F3382 #2B47B3 #4865D3 #798EDF

Accessibility & contrast

On white

7.91

#2B47B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#2B47B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B47B3

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B47B3	#FFFFFF	#000000	##FFFFFF
##2B47B3	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b47b3;
/* rgb */ color: rgb(43, 71, 179);
/* oklch */ color: oklch(44.7% 0.174 267.5);

Tailwind

colors: {
  custom: {
    50: '#7979cb',
    500: '#2b47b3',
    950: '#000000',
  },
}

SCSS

$custom: #2b47b3;
$custom-light: #7979cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b47b3",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 179
  },
  "hsl": {
    "h": 227.647,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.44663,
    "c": 0.17437,
    "h": 267.5
  },
  "luminance": 0.08275
}

Semantic roles & 50–950 ramp

primary

#2B47B3

secondary

#C7B673

accent

#C343E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B47B3

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

Preview Lab → · Contrast checker → · Palette generator →