#2749A4#2749A4

#2749A4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.152 H 265.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2749A4
RGB	rgb(39, 73, 164)
HSL	hsl(224, 62%, 40%)
HSV	hsv(224, 76%, 64%)
CMYK	cmyk(76.2%, 55.5%, 0%, 35.7%)
CIE-LAB	lab(33.72, 21.07, -52.71)
CIE-LCH	lch(33.72, 56.77, 291.79°)
OKLab	oklab(43.63% -0.013 -0.1519)
OKLCH	oklch(43.63% 0.153 265.1)
XYZ	xyz(9.9177, 7.8757, 36.1122)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2749A4 #A48227

analogous

#2788A4 #2749A4 #4427A4

triadic

#2749A4 #A42749 #49A427

tetradic

#2749A4 #A42788 #A48227 #27A444

square

#2749A4 #A42788 #A48227 #27A444

split-complementary

#2749A4 #A44427 #88A427

monochromatic

#0F1D41 #1B3373 #2749A4 #3862D0 #6A89DC

Accessibility & contrast

On white

8.15

#2749A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2749A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2749A4

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2749A4	#FFFFFF	#000000	##FFFFFF
##2749A4	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2749a4;
/* rgb */ color: rgb(39, 73, 164);
/* oklch */ color: oklch(43.6% 0.152 265.1);

Tailwind

colors: {
  custom: {
    50: '#747bc0',
    500: '#2749a4',
    950: '#000000',
  },
}

SCSS

$custom: #2749a4;
$custom-light: #747bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2749a4",
  "rgb": {
    "r": 39,
    "g": 73,
    "b": 164
  },
  "hsl": {
    "h": 223.68,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.1525,
    "h": 265.1
  },
  "luminance": 0.07877
}

Semantic roles & 50–950 ramp

primary

#2749A4

secondary

#C2A965

accent

#B943E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2749A4

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

Preview Lab → · Contrast checker → · Palette generator →