#2748A5#2748A5

#2748A5 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.155 H 265.5°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2748A5
RGB	rgb(39, 72, 165)
HSL	hsl(224, 62%, 40%)
HSV	hsv(224, 76%, 65%)
CMYK	cmyk(76.4%, 56.4%, 0%, 35.3%)
CIE-LAB	lab(33.52, 22.13, -53.63)
CIE-LCH	lch(33.52, 58.02, 292.42°)
OKLab	oklab(43.5% -0.0122 -0.1547)
OKLCH	oklch(43.5% 0.155 265.5)
XYZ	xyz(9.9432, 7.7816, 36.5680)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2748A5 #A58427

analogous

#2787A5 #2748A5 #4527A5

triadic

#2748A5 #A52748 #48A527

tetradic

#2748A5 #A52787 #A58427 #27A545

square

#2748A5 #A52787 #A58427 #27A545

split-complementary

#2748A5 #A54527 #87A527

monochromatic

#101D42 #1B3274 #2748A5 #3961D0 #6A88DC

Accessibility & contrast

On white

8.21

#2748A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2748A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A5

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2748A5	#FFFFFF	#000000	##FFFFFF
##2748A5	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2748a5;
/* rgb */ color: rgb(39, 72, 165);
/* oklch */ color: oklch(43.5% 0.155 265.5);

Tailwind

colors: {
  custom: {
    50: '#747ac0',
    500: '#2748a5',
    950: '#000000',
  },
}

SCSS

$custom: #2748a5;
$custom-light: #747ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#2748a5",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 165
  },
  "hsl": {
    "h": 224.286,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.43501,
    "c": 0.15515,
    "h": 265.5
  },
  "luminance": 0.07783
}

Semantic roles & 50–950 ramp

primary

#2748A5

secondary

#C2AA66

accent

#BA43E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2748A5

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

Preview Lab → · Contrast checker → · Palette generator →