#2547A9#2547A9

#2547A9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.162 H 265.5°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2547A9
RGB	rgb(37, 71, 169)
HSL	hsl(225, 64%, 40%)
HSV	hsv(225, 78%, 66%)
CMYK	cmyk(78.1%, 58%, 0%, 33.7%)
CIE-LAB	lab(33.48, 24.12, -56.10)
CIE-LCH	lch(33.48, 61.06, 293.26°)
OKLab	oklab(43.55% -0.0129 -0.162)
OKLCH	oklch(43.55% 0.162 265.5)
XYZ	xyz(10.1751, 7.7632, 38.4906)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547A9 #A98725

analogous

#2589A9 #2547A9 #4525A9

triadic

#2547A9 #A92547 #47A925

tetradic

#2547A9 #A92589 #A98725 #25A945

square

#2547A9 #A92589 #A98725 #25A945

split-complementary

#2547A9 #A94525 #89A925

monochromatic

#0F1D45 #1A3277 #2547A9 #3860D3 #6A88DE

Accessibility & contrast

On white

8.23

#2547A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2547A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547A9

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547A9	#FFFFFF	#000000	##FFFFFF
##2547A9	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AC

Deuteranopia (green-blind)

#0049A7

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2547a9;
/* rgb */ color: rgb(37, 71, 169);
/* oklch */ color: oklch(43.5% 0.162 265.5);

Tailwind

colors: {
  custom: {
    50: '#7579c3',
    500: '#2547a9',
    950: '#000000',
  },
}

SCSS

$custom: #2547a9;
$custom-light: #7579c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2547a9",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 169
  },
  "hsl": {
    "h": 224.545,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43548,
    "c": 0.16247,
    "h": 265.5
  },
  "luminance": 0.07764
}

Semantic roles & 50–950 ramp

primary

#2547A9

secondary

#C4AC65

accent

#BC41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2547A9

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

Preview Lab → · Contrast checker → · Palette generator →