#2A47A3#2A47A3

#2A47A3 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.153 H 266.6°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#2A47A3
RGB	rgb(42, 71, 163)
HSL	hsl(226, 59%, 40%)
HSV	hsv(226, 74%, 64%)
CMYK	cmyk(74.2%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(33.23, 22.41, -52.91)
CIE-LCH	lch(33.23, 57.46, 292.95°)
OKLab	oklab(43.26% -0.009 -0.1525)
OKLCH	oklch(43.26% 0.153 266.6)
XYZ	xyz(9.8166, 7.6420, 35.6009)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A47A3 #A3862A

analogous

#2A83A3 #2A47A3 #4A2AA3

triadic

#2A47A3 #A32A47 #47A32A

tetradic

#2A47A3 #A32A83 #A3862A #2AA34A

square

#2A47A3 #A32A83 #A3862A #2AA34A

split-complementary

#2A47A3 #A34A2A #83A32A

monochromatic

#111D42 #1D3272 #2A47A3 #3D60CD #6E88DA

Accessibility & contrast

On white

8.30

#2A47A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2A47A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A47A3

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A47A3	#FFFFFF	#000000	##FFFFFF
##2A47A3	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	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: #2a47a3;
/* rgb */ color: rgb(42, 71, 163);
/* oklch */ color: oklch(43.3% 0.153 266.6);

Tailwind

colors: {
  custom: {
    50: '#7579bf',
    500: '#2a47a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a47a3;
$custom-light: #7579bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a47a3",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 225.62,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43264,
    "c": 0.15276,
    "h": 266.6
  },
  "luminance": 0.07643
}

Semantic roles & 50–950 ramp

primary

#2A47A3

secondary

#C0AB68

accent

#BD46E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2A47A3

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

Preview Lab → · Contrast checker → · Palette generator →