#2748BA#2748BA

#2748BA is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.184 H 266.4°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#2748BA
RGB	rgb(39, 72, 186)
HSL	hsl(227, 65%, 44%)
HSV	hsv(227, 79%, 73%)
CMYK	cmyk(79%, 61.3%, 0%, 27.1%)
CIE-LAB	lab(35.22, 30.15, -63.34)
CIE-LCH	lch(35.22, 70.15, 295.45°)
OKLab	oklab(45.3% -0.0115 -0.1832)
OKLCH	oklch(45.3% 0.184 266.4)
XYZ	xyz(12.0139, 8.6098, 47.4735)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748BA #BA9927

analogous

#2792BA #2748BA #5027BA

triadic

#2748BA #BA2748 #48BA27

tetradic

#2748BA #BA2792 #BA9927 #27BA50

square

#2748BA #BA2792 #BA9927 #27BA50

split-complementary

#2748BA #BA5027 #92BA27

monochromatic

#122155 #1C3487 #2748BA #4667D8 #7990E3

Accessibility & contrast

On white

7.71

#2748BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2748BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748BA

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748BA	#FFFFFF	#000000	##FFFFFF
##2748BA	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABE

Deuteranopia (green-blind)

#004CB8

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2748ba;
/* rgb */ color: rgb(39, 72, 186);
/* oklch */ color: oklch(45.3% 0.184 266.4);

Tailwind

colors: {
  custom: {
    50: '#797ad0',
    500: '#2748ba',
    950: '#000000',
  },
}

SCSS

$custom: #2748ba;
$custom-light: #797ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#2748ba",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 186
  },
  "hsl": {
    "h": 226.531,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45301,
    "c": 0.18353,
    "h": 266.4
  },
  "luminance": 0.08611
}

Semantic roles & 50–950 ramp

primary

#2748BA

secondary

#CBB772

accent

#C240E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2748BA

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

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