#2547AD#2547AD

#2547AD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.168 H 265.7°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2547AD
RGB	rgb(37, 71, 173)
HSL	hsl(225, 65%, 41%)
HSV	hsv(225, 79%, 68%)
CMYK	cmyk(78.6%, 59%, 0%, 32.2%)
CIE-LAB	lab(33.81, 25.66, -57.96)
CIE-LCH	lch(33.81, 63.38, 293.88°)
OKLab	oklab(43.89% -0.0127 -0.1674)
OKLCH	oklch(43.89% 0.168 265.7)
XYZ	xyz(10.5564, 7.9157, 40.4986)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547AD #AD8B25

analogous

#258BAD #2547AD #4725AD

triadic

#2547AD #AD2547 #47AD25

tetradic

#2547AD #AD258B #AD8B25 #25AD47

square

#2547AD #AD258B #AD8B25 #25AD47

split-complementary

#2547AD #AD4725 #8BAD25

monochromatic

#0F1E48 #1A327B #2547AD #3A61D5 #6D89E0

Accessibility & contrast

On white

8.13

#2547AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2547AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547AD

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547AD	#FFFFFF	#000000	##FFFFFF
##2547AD	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B0

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2547ad;
/* rgb */ color: rgb(37, 71, 173);
/* oklch */ color: oklch(43.9% 0.168 265.7);

Tailwind

colors: {
  custom: {
    50: '#7679c6',
    500: '#2547ad',
    950: '#000000',
  },
}

SCSS

$custom: #2547ad;
$custom-light: #7679c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2547ad",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 225,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4389,
    "c": 0.16791,
    "h": 265.7
  },
  "luminance": 0.07917
}

Semantic roles & 50–950 ramp

primary

#2547AD

secondary

#C6AE68

accent

#BE40E8

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2547AD

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

Preview Lab → · Contrast checker → · Palette generator →