#2748A8#2748A8

#2748A8 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.159 H 265.7°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#2748A8
RGB	rgb(39, 72, 168)
HSL	hsl(225, 62%, 41%)
HSV	hsv(225, 77%, 66%)
CMYK	cmyk(76.8%, 57.1%, 0%, 34.1%)
CIE-LAB	lab(33.76, 23.29, -55.05)
CIE-LCH	lch(33.76, 59.77, 292.93°)
OKLab	oklab(43.75% -0.012 -0.1588)
OKLCH	oklch(43.75% 0.159 265.7)
XYZ	xyz(10.2195, 7.8921, 38.0229)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748A8 #A88727

analogous

#2788A8 #2748A8 #4627A8

triadic

#2748A8 #A82748 #48A827

tetradic

#2748A8 #A82788 #A88727 #27A846

square

#2748A8 #A82788 #A88727 #27A846

split-complementary

#2748A8 #A84627 #88A827

monochromatic

#101D45 #1B3376 #2748A8 #3B61D1 #6C89DD

Accessibility & contrast

On white

8.14

#2748A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2748A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A8

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748A8	#FFFFFF	#000000	##FFFFFF
##2748A8	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AB

Deuteranopia (green-blind)

#004AA6

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2748a8;
/* rgb */ color: rgb(39, 72, 168);
/* oklch */ color: oklch(43.8% 0.159 265.7);

Tailwind

colors: {
  custom: {
    50: '#757ac3',
    500: '#2748a8',
    950: '#000000',
  },
}

SCSS

$custom: #2748a8;
$custom-light: #757ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2748a8",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 168
  },
  "hsl": {
    "h": 224.651,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4375,
    "c": 0.15929,
    "h": 265.7
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary

#2748A8

secondary

#C3AC67

accent

#BC42E5

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #2748A8

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

Preview Lab → · Contrast checker → · Palette generator →