#2748A3#2748A3

#2748A3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.3% C 0.152 H 265.4°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#2748A3
RGB	rgb(39, 72, 163)
HSL	hsl(224, 61%, 40%)
HSV	hsv(224, 76%, 64%)
CMYK	cmyk(76.1%, 55.8%, 0%, 36.1%)
CIE-LAB	lab(33.37, 21.36, -52.68)
CIE-LCH	lch(33.37, 56.85, 292.07°)
OKLab	oklab(43.34% -0.0123 -0.1519)
OKLCH	oklch(43.34% 0.152 265.4)
XYZ	xyz(9.7626, 7.7093, 35.6168)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748A3 #A38227

analogous

#2786A3 #2748A3 #4427A3

triadic

#2748A3 #A32748 #48A327

tetradic

#2748A3 #A32786 #A38227 #27A344

square

#2748A3 #A32786 #A38227 #27A344

split-complementary

#2748A3 #A34427 #86A327

monochromatic

#0F1C40 #1B3272 #2748A3 #3860CF #6988DB

Accessibility & contrast

On white

8.26

#2748A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2748A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A3

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748A3	#FFFFFF	#000000	##FFFFFF
##2748A3	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A6

Deuteranopia (green-blind)

#0049A1

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2748a3;
/* rgb */ color: rgb(39, 72, 163);
/* oklch */ color: oklch(43.3% 0.152 265.4);

Tailwind

colors: {
  custom: {
    50: '#747abf',
    500: '#2748a3',
    950: '#000000',
  },
}

SCSS

$custom: #2748a3;
$custom-light: #747abf;
$custom-dark: #000000;

JSON

{
  "hex": "#2748a3",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 163
  },
  "hsl": {
    "h": 224.032,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43337,
    "c": 0.15237,
    "h": 265.4
  },
  "luminance": 0.0771
}

Semantic roles & 50–950 ramp

primary

#2748A3

secondary

#C1A964

accent

#BA43E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2748A3

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

Preview Lab → · Contrast checker → · Palette generator →