#2748AD#2748AD

#2748AD is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.166 H 265.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#2748AD
RGB	rgb(39, 72, 173)
HSL	hsl(225, 63%, 42%)
HSV	hsv(225, 77%, 68%)
CMYK	cmyk(77.5%, 58.4%, 0%, 32.2%)
CIE-LAB	lab(34.15, 25.21, -57.39)
CIE-LCH	lch(34.15, 62.68, 293.71°)
OKLab	oklab(44.17% -0.0118 -0.1657)
OKLCH	oklch(44.17% 0.166 265.9)
XYZ	xyz(10.6942, 8.0820, 40.5234)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748AD #AD8C27

analogous

#278BAD #2748AD #4927AD

triadic

#2748AD #AD2748 #48AD27

tetradic

#2748AD #AD278B #AD8C27 #27AD49

square

#2748AD #AD278B #AD8C27 #27AD49

split-complementary

#2748AD #AD4927 #8BAD27

monochromatic

#101E49 #1C337B #2748AD #3E63D3 #708BDF

Accessibility & contrast

On white

8.03

#2748AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#2748AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748AD

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748AD	#FFFFFF	#000000	##FFFFFF
##2748AD	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004AAB

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2748ad;
/* rgb */ color: rgb(39, 72, 173);
/* oklch */ color: oklch(44.2% 0.166 265.9);

Tailwind

colors: {
  custom: {
    50: '#767ac6',
    500: '#2748ad',
    950: '#000000',
  },
}

SCSS

$custom: #2748ad;
$custom-light: #767ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2748ad",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 173
  },
  "hsl": {
    "h": 225.224,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44171,
    "c": 0.16613,
    "h": 265.9
  },
  "luminance": 0.08083
}

Semantic roles & 50–950 ramp

primary

#2748AD

secondary

#C6AF6A

accent

#BE42E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2748AD

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

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