#2547A3#2547A3

#2547A3 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.154 H 265.1°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#2547A3
RGB	rgb(37, 71, 163)
HSL	hsl(224, 63%, 39%)
HSV	hsv(224, 77%, 64%)
CMYK	cmyk(77.3%, 56.4%, 0%, 36.1%)
CIE-LAB	lab(33.01, 21.79, -53.27)
CIE-LCH	lch(33.01, 57.55, 292.25°)
OKLab	oklab(43.05% -0.0132 -0.1536)
OKLCH	oklch(43.05% 0.154 265.1)
XYZ	xyz(9.6247, 7.5431, 35.5919)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547A3 #A38125

analogous

#2586A3 #2547A3 #4225A3

triadic

#2547A3 #A32547 #47A325

tetradic

#2547A3 #A32586 #A38125 #25A342

square

#2547A3 #A32586 #A38125 #25A342

split-complementary

#2547A3 #A34225 #86A325

monochromatic

#0E1C3F #1A3171 #2547A3 #345FD1 #6686DC

Accessibility & contrast

On white

8.37

#2547A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#2547A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547A3

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547A3	#FFFFFF	#000000	##FFFFFF
##2547A3	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2547a3;
/* rgb */ color: rgb(37, 71, 163);
/* oklch */ color: oklch(43.0% 0.154 265.1);

Tailwind

colors: {
  custom: {
    50: '#7379bf',
    500: '#2547a3',
    950: '#000000',
  },
}

SCSS

$custom: #2547a3;
$custom-light: #7379bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2547a3",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 163
  },
  "hsl": {
    "h": 223.81,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43045,
    "c": 0.15422,
    "h": 265.1
  },
  "luminance": 0.07544
}

Semantic roles & 50–950 ramp

primary

#2547A3

secondary

#C2A862

accent

#BA42E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2547A3

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

Preview Lab → · Contrast checker → · Palette generator →