#2749A5#2749A5

#2749A5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.154 H 265.2°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#2749A5
RGB	rgb(39, 73, 165)
HSL	hsl(224, 62%, 40%)
HSV	hsv(224, 76%, 65%)
CMYK	cmyk(76.4%, 55.8%, 0%, 35.3%)
CIE-LAB	lab(33.80, 21.46, -53.19)
CIE-LCH	lch(33.80, 57.35, 291.97°)
OKLab	oklab(43.71% -0.0129 -0.1533)
OKLCH	oklch(43.71% 0.154 265.2)
XYZ	xyz(10.0084, 7.9119, 36.5897)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2749A5 #A58327

analogous

#2788A5 #2749A5 #4427A5

triadic

#2749A5 #A52749 #49A527

tetradic

#2749A5 #A52788 #A58327 #27A544

square

#2749A5 #A52788 #A58327 #27A544

split-complementary

#2749A5 #A54427 #88A527

monochromatic

#101D42 #1B3374 #2749A5 #3962D0 #6A89DC

Accessibility & contrast

On white

8.13

#2749A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2749A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2749A5

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2749A5	#FFFFFF	#000000	##FFFFFF
##2749A5	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A8

Deuteranopia (green-blind)

#004AA3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2749a5;
/* rgb */ color: rgb(39, 73, 165);
/* oklch */ color: oklch(43.7% 0.154 265.2);

Tailwind

colors: {
  custom: {
    50: '#747bc0',
    500: '#2749a5',
    950: '#000000',
  },
}

SCSS

$custom: #2749a5;
$custom-light: #747bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2749a5",
  "rgb": {
    "r": 39,
    "g": 73,
    "b": 165
  },
  "hsl": {
    "h": 223.81,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.43708,
    "c": 0.15389,
    "h": 265.2
  },
  "luminance": 0.07913
}

Semantic roles & 50–950 ramp

primary

#2749A5

secondary

#C2A966

accent

#B943E5

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2749A5

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

Preview Lab → · Contrast checker → · Palette generator →