#2547A7#2547A7

#2547A7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.160 H 265.3°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#2547A7
RGB	rgb(37, 71, 167)
HSL	hsl(224, 64%, 40%)
HSV	hsv(224, 78%, 65%)
CMYK	cmyk(77.8%, 57.5%, 0%, 34.5%)
CIE-LAB	lab(33.33, 23.34, -55.16)
CIE-LCH	lch(33.33, 59.89, 292.94°)
OKLab	oklab(43.38% -0.013 -0.1592)
OKLCH	oklch(43.38% 0.16 265.3)
XYZ	xyz(9.9888, 7.6887, 37.5093)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2547A7 #A78525

analogous

#2588A7 #2547A7 #4425A7

triadic

#2547A7 #A72547 #47A725

tetradic

#2547A7 #A72588 #A78525 #25A744

square

#2547A7 #A72588 #A78525 #25A744

split-complementary

#2547A7 #A74425 #88A725

monochromatic

#0F1C43 #1A3275 #2547A7 #375FD3 #6987DE

Accessibility & contrast

On white

8.27

#2547A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2547A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2547A7

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2547A7	#FFFFFF	#000000	##FFFFFF
##2547A7	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AA

Deuteranopia (green-blind)

#0049A5

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2547a7;
/* rgb */ color: rgb(37, 71, 167);
/* oklch */ color: oklch(43.4% 0.160 265.3);

Tailwind

colors: {
  custom: {
    50: '#7479c2',
    500: '#2547a7',
    950: '#000000',
  },
}

SCSS

$custom: #2547a7;
$custom-light: #7479c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2547a7",
  "rgb": {
    "r": 37,
    "g": 71,
    "b": 167
  },
  "hsl": {
    "h": 224.308,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.43379,
    "c": 0.15973,
    "h": 265.3
  },
  "luminance": 0.0769
}

Semantic roles & 50–950 ramp

primary

#2547A7

secondary

#C4AB64

accent

#BB41E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2547A7

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

Preview Lab → · Contrast checker → · Palette generator →