#2748AA#2748AA

#2748AA is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.9% C 0.162 H 265.8°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#2748AA
RGB	rgb(39, 72, 170)
HSL	hsl(225, 63%, 41%)
HSV	hsv(225, 77%, 67%)
CMYK	cmyk(77.1%, 57.6%, 0%, 33.3%)
CIE-LAB	lab(33.91, 24.06, -55.99)
CIE-LCH	lch(33.91, 60.94, 293.25°)
OKLab	oklab(43.92% -0.0119 -0.1616)
OKLCH	oklch(43.92% 0.162 265.8)
XYZ	xyz(10.4072, 7.9672, 39.0117)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748AA #AA8927

analogous

#2789AA #2748AA #4727AA

triadic

#2748AA #AA2748 #48AA27

tetradic

#2748AA #AA2789 #AA8927 #27AA47

square

#2748AA #AA2789 #AA8927 #27AA47

split-complementary

#2748AA #AA4727 #89AA27

monochromatic

#101E46 #1C3378 #2748AA #3C62D2 #6E8ADE

Accessibility & contrast

On white

8.10

#2748AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2748AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748AA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748AA	#FFFFFF	#000000	##FFFFFF
##2748AA	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2748aa;
/* rgb */ color: rgb(39, 72, 170);
/* oklch */ color: oklch(43.9% 0.162 265.8);

Tailwind

colors: {
  custom: {
    50: '#757ac4',
    500: '#2748aa',
    950: '#000000',
  },
}

SCSS

$custom: #2748aa;
$custom-light: #757ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2748aa",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 170
  },
  "hsl": {
    "h": 224.885,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43918,
    "c": 0.16204,
    "h": 265.8
  },
  "luminance": 0.07968
}

Semantic roles & 50–950 ramp

primary

#2748AA

secondary

#C4AD69

accent

#BD42E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2748AA

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

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