#2547BA#2547BA

#2547BA is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.185 H 266.1°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2547BA
RGB	rgb(37, 71, 186)
HSL	hsl(226, 67%, 44%)
HSV	hsv(226, 80%, 73%)
CMYK	cmyk(80.1%, 61.8%, 0%, 27.1%)
CIE-LAB	lab(34.89, 30.61, -63.89)
CIE-LCH	lch(34.89, 70.84, 295.60°)
OKLab	oklab(45.03% -0.0125 -0.1848)
OKLCH	oklch(45.03% 0.185 266.1)
XYZ	xyz(11.8760, 8.4436, 47.4487)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547BA #BA9825

analogous

#2591BA #2547BA #4D25BA

triadic

#2547BA #BA2547 #47BA25

tetradic

#2547BA #BA2591 #BA9825 #25BA4D

square

#2547BA #BA2591 #BA9825 #25BA4D

split-complementary

#2547BA #BA4D25 #91BA25

monochromatic

#112054 #1B3487 #2547BA #4365DA #768FE4

Accessibility & contrast

On white

7.81

#2547BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2547BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547BA

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547BA	#FFFFFF	#000000	##FFFFFF
##2547BA	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#004BB8

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2547ba;
/* rgb */ color: rgb(37, 71, 186);
/* oklch */ color: oklch(45.0% 0.185 266.1);

Tailwind

colors: {
  custom: {
    50: '#7979d0',
    500: '#2547ba',
    950: '#000000',
  },
}

SCSS

$custom: #2547ba;
$custom-light: #7979d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2547ba",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 186
  },
  "hsl": {
    "h": 226.309,
    "s": 66.816,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45034,
    "c": 0.18524,
    "h": 266.1
  },
  "luminance": 0.08445
}

Semantic roles & 50–950 ramp

primary

#2547BA

secondary

#CBB670

accent

#C33EEA

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2547BA

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

Preview Lab → · Contrast checker → · Palette generator →