#2A47A4#2A47A4

#2A47A4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.3% C 0.154 H 266.7°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#2A47A4
RGB	rgb(42, 71, 164)
HSL	hsl(226, 59%, 40%)
HSV	hsv(226, 74%, 64%)
CMYK	cmyk(74.4%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(33.30, 22.79, -53.39)
CIE-LCH	lch(33.30, 58.05, 293.12°)
OKLab	oklab(43.35% -0.0089 -0.1539)
OKLCH	oklch(43.35% 0.154 266.7)
XYZ	xyz(9.9066, 7.6780, 36.0747)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A47A4 #A4872A

analogous

#2A84A4 #2A47A4 #4A2AA4

triadic

#2A47A4 #A42A47 #47A42A

tetradic

#2A47A4 #A42A84 #A4872A #2AA44A

square

#2A47A4 #A42A84 #A4872A #2AA44A

split-complementary

#2A47A4 #A44A2A #84A42A

monochromatic

#111D43 #1E3273 #2A47A4 #3E60CD #6E88DA

Accessibility & contrast

On white

8.28

#2A47A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2A47A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A47A4

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A47A4	#FFFFFF	#000000	##FFFFFF
##2A47A4	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#0049A2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2a47a4;
/* rgb */ color: rgb(42, 71, 164);
/* oklch */ color: oklch(43.3% 0.154 266.7);

Tailwind

colors: {
  custom: {
    50: '#7579c0',
    500: '#2a47a4',
    950: '#000000',
  },
}

SCSS

$custom: #2a47a4;
$custom-light: #7579c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a47a4",
  "rgb": {
    "r": 42,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 225.738,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43347,
    "c": 0.15416,
    "h": 266.7
  },
  "luminance": 0.07679
}

Semantic roles & 50–950 ramp

primary

#2A47A4

secondary

#C1AC69

accent

#BD45E2

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2A47A4

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

Preview Lab → · Contrast checker → · Palette generator →