#2B47A3#2B47A3

#2B47A3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.3% C 0.152 H 267.0°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#2B47A3
RGB	rgb(43, 71, 163)
HSL	hsl(226, 58%, 40%)
HSV	hsv(226, 74%, 64%)
CMYK	cmyk(73.6%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(33.27, 22.54, -52.83)
CIE-LCH	lch(33.27, 57.44, 293.11°)
OKLab	oklab(43.31% -0.0081 -0.1523)
OKLCH	oklch(43.31% 0.152 267)
XYZ	xyz(9.8581, 7.6634, 35.6029)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B47A3 #A3872B

analogous

#2B83A3 #2B47A3 #4B2BA3

triadic

#2B47A3 #A32B47 #47A32B

tetradic

#2B47A3 #A32B83 #A3872B #2BA34B

square

#2B47A3 #A32B83 #A3872B #2BA34B

split-complementary

#2B47A3 #A34B2B #83A32B

monochromatic

#111D42 #1E3273 #2B47A3 #3F60CC #6F88D9

Accessibility & contrast

On white

8.29

#2B47A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2B47A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B47A3

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B47A3	#FFFFFF	#000000	##FFFFFF
##2B47A3	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#0049A1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b47a3;
/* rgb */ color: rgb(43, 71, 163);
/* oklch */ color: oklch(43.3% 0.152 267.0);

Tailwind

colors: {
  custom: {
    50: '#7579bf',
    500: '#2b47a3',
    950: '#000000',
  },
}

SCSS

$custom: #2b47a3;
$custom-light: #7579bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b47a3",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 226,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43311,
    "c": 0.15247,
    "h": 267
  },
  "luminance": 0.07664
}

Semantic roles & 50–950 ramp

primary

#2B47A3

secondary

#C0AC6A

accent

#BD46E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2B47A3

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

Preview Lab → · Contrast checker → · Palette generator →