#2749A3#2749A3

#2749A3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.151 H 265.0°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#2749A3
RGB	rgb(39, 73, 163)
HSL	hsl(224, 61%, 40%)
HSV	hsv(224, 76%, 64%)
CMYK	cmyk(76.1%, 55.2%, 0%, 36.1%)
CIE-LAB	lab(33.65, 20.69, -52.23)
CIE-LCH	lch(33.65, 56.18, 291.60°)
OKLab	oklab(43.55% -0.0131 -0.1505)
OKLCH	oklch(43.55% 0.151 265)
XYZ	xyz(9.8278, 7.8397, 35.6385)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2749A3 #A38127

analogous

#2787A3 #2749A3 #4327A3

triadic

#2749A3 #A32749 #49A327

tetradic

#2749A3 #A32787 #A38127 #27A343

square

#2749A3 #A32787 #A38127 #27A343

split-complementary

#2749A3 #A34327 #87A327

monochromatic

#0F1D40 #1B3372 #2749A3 #3861CF #6988DB

Accessibility & contrast

On white

8.18

#2749A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2749A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2749A3

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2749A3	#FFFFFF	#000000	##FFFFFF
##2749A3	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A6

Deuteranopia (green-blind)

#004AA1

Tritanopia (blue-blind)

#005F6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2749a3;
/* rgb */ color: rgb(39, 73, 163);
/* oklch */ color: oklch(43.5% 0.151 265.0);

Tailwind

colors: {
  custom: {
    50: '#747bbf',
    500: '#2749a3',
    950: '#000000',
  },
}

SCSS

$custom: #2749a3;
$custom-light: #747bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2749a3",
  "rgb": {
    "r": 39,
    "g": 73,
    "b": 163
  },
  "hsl": {
    "h": 223.548,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.15111,
    "h": 265
  },
  "luminance": 0.07841
}

Semantic roles & 50–950 ramp

primary

#2749A3

secondary

#C1A864

accent

#B843E4

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2749A3

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

Preview Lab → · Contrast checker → · Palette generator →