#2547AC#2547AC

#2547AC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.167 H 265.6°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2547AC
RGB	rgb(37, 71, 172)
HSL	hsl(225, 65%, 41%)
HSV	hsv(225, 78%, 67%)
CMYK	cmyk(78.5%, 58.7%, 0%, 32.5%)
CIE-LAB	lab(33.73, 25.27, -57.49)
CIE-LCH	lch(33.73, 62.80, 293.73°)
OKLab	oklab(43.8% -0.0127 -0.1661)
OKLCH	oklch(43.8% 0.167 265.6)
XYZ	xyz(10.4600, 7.8772, 39.9909)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547AC #AC8A25

analogous

#258AAC #2547AC #4625AC

triadic

#2547AC #AC2547 #47AC25

tetradic

#2547AC #AC258A #AC8A25 #25AC46

square

#2547AC #AC258A #AC8A25 #25AC46

split-complementary

#2547AC #AC4625 #8AAC25

monochromatic

#0F1D47 #1A327A #2547AC #3A61D5 #6C89DF

Accessibility & contrast

On white

8.15

#2547AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2547AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547AC

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547AC	#FFFFFF	#000000	##FFFFFF
##2547AC	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2547ac;
/* rgb */ color: rgb(37, 71, 172);
/* oklch */ color: oklch(43.8% 0.167 265.6);

Tailwind

colors: {
  custom: {
    50: '#7579c6',
    500: '#2547ac',
    950: '#000000',
  },
}

SCSS

$custom: #2547ac;
$custom-light: #7579c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2547ac",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 172
  },
  "hsl": {
    "h": 224.889,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43804,
    "c": 0.16656,
    "h": 265.6
  },
  "luminance": 0.07878
}

Semantic roles & 50–950 ramp

primary

#2547AC

secondary

#C6AE67

accent

#BD40E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2547AC

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

Preview Lab → · Contrast checker → · Palette generator →