#2749BD#2749BD

#2749BD is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.8% C 0.186 H 266.3°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#2749BD
RGB	rgb(39, 73, 189)
HSL	hsl(226, 66%, 45%)
HSV	hsv(226, 79%, 74%)
CMYK	cmyk(79.4%, 61.4%, 0%, 25.9%)
CIE-LAB	lab(35.73, 30.62, -64.27)
CIE-LCH	lch(35.73, 71.19, 295.47°)
OKLab	oklab(45.76% -0.0121 -0.1859)
OKLCH	oklch(45.76% 0.186 266.3)
XYZ	xyz(12.4013, 8.8691, 49.1926)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2749BD #BD9B27

analogous

#2794BD #2749BD #5027BD

triadic

#2749BD #BD2749 #49BD27

tetradic

#2749BD #BD2794 #BD9B27 #27BD50

square

#2749BD #BD2794 #BD9B27 #27BD50

split-complementary

#2749BD #BD5027 #94BD27

monochromatic

#122258 #1D358A #2749BD #4869D9 #7B93E4

Accessibility & contrast

On white

7.57

#2749BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#2749BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2749BD

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2749BD	#FFFFFF	#000000	##FFFFFF
##2749BD	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#004DBB

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #2749bd;
/* rgb */ color: rgb(39, 73, 189);
/* oklch */ color: oklch(45.8% 0.186 266.3);

Tailwind

colors: {
  custom: {
    50: '#7a7bd2',
    500: '#2749bd',
    950: '#000000',
  },
}

SCSS

$custom: #2749bd;
$custom-light: #7a7bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#2749bd",
  "rgb": {
    "r": 39,
    "g": 73,
    "b": 189
  },
  "hsl": {
    "h": 226.4,
    "s": 65.789,
    "l": 44.706
  },
  "oklch": {
    "l": 0.45758,
    "c": 0.18628,
    "h": 266.3
  },
  "luminance": 0.08871
}

Semantic roles & 50–950 ramp

primary

#2749BD

secondary

#CCB874

accent

#C23FE9

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2749BD

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

Preview Lab → · Contrast checker → · Palette generator →