#2748A4#2748A4

#2748A4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.4% C 0.154 H 265.4°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#2748A4
RGB	rgb(39, 72, 164)
HSL	hsl(224, 62%, 40%)
HSV	hsv(224, 76%, 64%)
CMYK	cmyk(76.2%, 56.1%, 0%, 35.7%)
CIE-LAB	lab(33.45, 21.74, -53.16)
CIE-LCH	lch(33.45, 57.43, 292.25°)
OKLab	oklab(43.42% -0.0123 -0.1533)
OKLCH	oklch(43.42% 0.154 265.4)
XYZ	xyz(9.8525, 7.7453, 36.0905)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748A4 #A48327

analogous

#2787A4 #2748A4 #4527A4

triadic

#2748A4 #A42748 #48A427

tetradic

#2748A4 #A42787 #A48327 #27A445

square

#2748A4 #A42787 #A48327 #27A445

split-complementary

#2748A4 #A44527 #87A427

monochromatic

#0F1D41 #1B3273 #2748A4 #3860D0 #6A88DC

Accessibility & contrast

On white

8.24

#2748A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2748A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A4

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748A4	#FFFFFF	#000000	##FFFFFF
##2748A4	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#0049A2

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2748a4;
/* rgb */ color: rgb(39, 72, 164);
/* oklch */ color: oklch(43.4% 0.154 265.4);

Tailwind

colors: {
  custom: {
    50: '#747ac0',
    500: '#2748a4',
    950: '#000000',
  },
}

SCSS

$custom: #2748a4;
$custom-light: #747ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2748a4",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 164
  },
  "hsl": {
    "h": 224.16,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.15376,
    "h": 265.4
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#2748A4

secondary

#C2A965

accent

#BA43E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2748A4

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

Preview Lab → · Contrast checker → · Palette generator →