#2748A1#2748A1

#2748A1 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.150 H 265.2°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2748A1
RGB	rgb(39, 72, 161)
HSL	hsl(224, 61%, 39%)
HSV	hsv(224, 76%, 63%)
CMYK	cmyk(75.8%, 55.3%, 0%, 36.9%)
CIE-LAB	lab(33.22, 20.58, -51.73)
CIE-LCH	lch(33.22, 55.67, 291.70°)
OKLab	oklab(43.17% -0.0125 -0.1491)
OKLCH	oklch(43.17% 0.15 265.2)
XYZ	xyz(9.5848, 7.6382, 34.6805)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748A1 #A18027

analogous

#2785A1 #2748A1 #4327A1

triadic

#2748A1 #A12748 #48A127

tetradic

#2748A1 #A12785 #A18027 #27A143

square

#2748A1 #A12785 #A18027 #27A143

split-complementary

#2748A1 #A14327 #85A127

monochromatic

#0F1C3E #1B3270 #2748A1 #3760CE #6887DA

Accessibility & contrast

On white

8.31

#2748A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2748A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A1

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748A1	#FFFFFF	#000000	##FFFFFF
##2748A1	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A4

Deuteranopia (green-blind)

#00499F

Tritanopia (blue-blind)

#005E6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2748a1;
/* rgb */ color: rgb(39, 72, 161);
/* oklch */ color: oklch(43.2% 0.150 265.2);

Tailwind

colors: {
  custom: {
    50: '#737abd',
    500: '#2748a1',
    950: '#000000',
  },
}

SCSS

$custom: #2748a1;
$custom-light: #737abd;
$custom-dark: #000000;

JSON

{
  "hex": "#2748a1",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 161
  },
  "hsl": {
    "h": 223.77,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.43174,
    "c": 0.14958,
    "h": 265.2
  },
  "luminance": 0.07639
}

Semantic roles & 50–950 ramp

primary

#2748A1

secondary

#C0A763

accent

#B944E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2748A1

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

Preview Lab → · Contrast checker → · Palette generator →