#2547A5#2547A5

#2547A5 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.157 H 265.2°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2547A5
RGB	rgb(37, 71, 165)
HSL	hsl(224, 63%, 40%)
HSV	hsv(224, 78%, 65%)
CMYK	cmyk(77.6%, 57%, 0%, 35.3%)
CIE-LAB	lab(33.17, 22.57, -54.22)
CIE-LCH	lch(33.17, 58.72, 292.60°)
OKLab	oklab(43.21% -0.0131 -0.1564)
OKLCH	oklch(43.21% 0.157 265.2)
XYZ	xyz(9.8053, 7.6153, 36.5431)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547A5 #A58325

analogous

#2587A5 #2547A5 #4325A5

triadic

#2547A5 #A52547 #47A525

tetradic

#2547A5 #A52587 #A58325 #25A543

square

#2547A5 #A52587 #A58325 #25A543

split-complementary

#2547A5 #A54325 #87A525

monochromatic

#0F1C41 #1A3173 #2547A5 #355FD2 #6787DD

Accessibility & contrast

On white

8.32

#2547A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2547A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547A5

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547A5	#FFFFFF	#000000	##FFFFFF
##2547A5	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2547a5;
/* rgb */ color: rgb(37, 71, 165);
/* oklch */ color: oklch(43.2% 0.157 265.2);

Tailwind

colors: {
  custom: {
    50: '#7479c0',
    500: '#2547a5',
    950: '#000000',
  },
}

SCSS

$custom: #2547a5;
$custom-light: #7479c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2547a5",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 165
  },
  "hsl": {
    "h": 224.063,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43211,
    "c": 0.15698,
    "h": 265.2
  },
  "luminance": 0.07616
}

Semantic roles & 50–950 ramp

primary

#2547A5

secondary

#C3A963

accent

#BB41E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2547A5

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

Preview Lab → · Contrast checker → · Palette generator →