#2748BD#2748BD

#2748BD is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.6% C 0.187 H 266.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#2748BD
RGB	rgb(39, 72, 189)
HSL	hsl(227, 66%, 45%)
HSV	hsv(227, 79%, 74%)
CMYK	cmyk(79.4%, 61.9%, 0%, 25.9%)
CIE-LAB	lab(35.48, 31.27, -64.69)
CIE-LCH	lch(35.48, 71.85, 295.80°)
OKLab	oklab(45.57% -0.0115 -0.1871)
OKLCH	oklch(45.57% 0.187 266.5)
XYZ	xyz(12.3362, 8.7388, 49.1708)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748BD #BD9C27

analogous

#2793BD #2748BD #5127BD

triadic

#2748BD #BD2748 #48BD27

tetradic

#2748BD #BD2793 #BD9C27 #27BD51

square

#2748BD #BD2793 #BD9C27 #27BD51

split-complementary

#2748BD #BD5127 #93BD27

monochromatic

#122158 #1D358A #2748BD #4868D9 #7B92E4

Accessibility & contrast

On white

7.64

#2748BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#2748BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748BD

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748BD	#FFFFFF	#000000	##FFFFFF
##2748BD	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#00667B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2748bd;
/* rgb */ color: rgb(39, 72, 189);
/* oklch */ color: oklch(45.6% 0.187 266.5);

Tailwind

colors: {
  custom: {
    50: '#7a7ad2',
    500: '#2748bd',
    950: '#000000',
  },
}

SCSS

$custom: #2748bd;
$custom-light: #7a7ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#2748bd",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 189
  },
  "hsl": {
    "h": 226.8,
    "s": 65.789,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45569,
    "c": 0.18747,
    "h": 266.5
  },
  "luminance": 0.0874
}

Semantic roles & 50–950 ramp

primary

#2748BD

secondary

#CCB874

accent

#C33FE9

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2748BD

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

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