#2B47A1#2B47A1

#2B47A1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.150 H 266.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B47A1
RGB	rgb(43, 71, 161)
HSL	hsl(226, 58%, 40%)
HSV	hsv(226, 73%, 63%)
CMYK	cmyk(73.3%, 55.9%, 0%, 36.9%)
CIE-LAB	lab(33.12, 21.78, -51.88)
CIE-LCH	lch(33.12, 56.27, 292.77°)
OKLab	oklab(43.15% -0.0082 -0.1494)
OKLCH	oklch(43.15% 0.15 266.9)
XYZ	xyz(9.6803, 7.5923, 34.6666)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B47A1 #A1852B

analogous

#2B82A1 #2B47A1 #4A2BA1

triadic

#2B47A1 #A12B47 #47A12B

tetradic

#2B47A1 #A12B82 #A1852B #2BA14A

square

#2B47A1 #A12B82 #A1852B #2BA14A

split-complementary

#2B47A1 #A14A2B #82A12B

monochromatic

#111C40 #1E3271 #2B47A1 #3E5FCB #6E87D8

Accessibility & contrast

On white

8.34

#2B47A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B47A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B47A1

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B47A1	#FFFFFF	#000000	##FFFFFF
##2B47A1	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00499F

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b47a1;
/* rgb */ color: rgb(43, 71, 161);
/* oklch */ color: oklch(43.1% 0.150 266.9);

Tailwind

colors: {
  custom: {
    50: '#7579bd',
    500: '#2b47a1',
    950: '#000000',
  },
}

SCSS

$custom: #2b47a1;
$custom-light: #7579bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2b47a1",
  "rgb": {
    "r": 43,
    "g": 71,
    "b": 161
  },
  "hsl": {
    "h": 225.763,
    "s": 57.843,
    "l": 40
  },
  "oklch": {
    "l": 0.43148,
    "c": 0.14968,
    "h": 266.9
  },
  "luminance": 0.07593
}

Semantic roles & 50–950 ramp

primary

#2B47A1

secondary

#BFAB69

accent

#BC47E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B47A1

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

Preview Lab → · Contrast checker → · Palette generator →