#2547A1#2547A1

#2547A1 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.9% C 0.151 H 264.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#2547A1
RGB	rgb(37, 71, 161)
HSL	hsl(224, 63%, 39%)
HSV	hsv(224, 77%, 63%)
CMYK	cmyk(77%, 55.9%, 0%, 36.9%)
CIE-LAB	lab(32.86, 21.01, -52.32)
CIE-LCH	lch(32.86, 56.38, 291.88°)
OKLab	oklab(42.88% -0.0133 -0.1509)
OKLCH	oklch(42.88% 0.151 264.9)
XYZ	xyz(9.4469, 7.4719, 34.6556)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547A1 #A17F25

analogous

#2585A1 #2547A1 #4125A1

triadic

#2547A1 #A12547 #47A125

tetradic

#2547A1 #A12585 #A17F25 #25A141

square

#2547A1 #A12585 #A17F25 #25A141

split-complementary

#2547A1 #A14125 #85A125

monochromatic

#0E1B3D #1A316F #2547A1 #335ED0 #6585DC

Accessibility & contrast

On white

8.42

#2547A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2547A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547A1

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547A1	#FFFFFF	#000000	##FFFFFF
##2547A1	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A4

Deuteranopia (green-blind)

#00489F

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2547a1;
/* rgb */ color: rgb(37, 71, 161);
/* oklch */ color: oklch(42.9% 0.151 264.9);

Tailwind

colors: {
  custom: {
    50: '#7379bd',
    500: '#2547a1',
    950: '#000000',
  },
}

SCSS

$custom: #2547a1;
$custom-light: #7379bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2547a1",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 161
  },
  "hsl": {
    "h": 223.548,
    "s": 62.626,
    "l": 38.824
  },
  "oklch": {
    "l": 0.42879,
    "c": 0.15144,
    "h": 264.9
  },
  "luminance": 0.07473
}

Semantic roles & 50–950 ramp

primary

#2547A1

secondary

#C1A761

accent

#B942E6

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2547A1

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

Preview Lab → · Contrast checker → · Palette generator →