#2745B2#2745B2

#2745B2 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.0% C 0.177 H 266.9°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#2745B2
RGB	rgb(39, 69, 178)
HSL	hsl(227, 64%, 43%)
HSV	hsv(227, 78%, 70%)
CMYK	cmyk(78.1%, 61.2%, 0%, 30.2%)
CIE-LAB	lab(33.78, 29.10, -60.98)
CIE-LCH	lch(33.78, 67.57, 295.51°)
OKLab	oklab(44.02% -0.0097 -0.1763)
OKLCH	oklch(44.02% 0.177 266.9)
XYZ	xyz(10.9979, 7.9007, 43.0562)
Luminance	0.0790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745B2 #B29427

analogous

#278BB2 #2745B2 #4E27B2

triadic

#2745B2 #B22745 #45B227

tetradic

#2745B2 #B2278B #B29427 #27B24E

square

#2745B2 #B2278B #B29427 #27B24E

split-complementary

#2745B2 #B24E27 #8BB227

monochromatic

#111E4E #1C3280 #2745B2 #4161D5 #738BE0

Accessibility & contrast

On white

8.14

#2745B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2745B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745B2

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745B2	#FFFFFF	#000000	##FFFFFF
##2745B2	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2745b2;
/* rgb */ color: rgb(39, 69, 178);
/* oklch */ color: oklch(44.0% 0.177 266.9);

Tailwind

colors: {
  custom: {
    50: '#7878ca',
    500: '#2745b2',
    950: '#000000',
  },
}

SCSS

$custom: #2745b2;
$custom-light: #7878ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2745b2",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 178
  },
  "hsl": {
    "h": 227.05,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44017,
    "c": 0.17655,
    "h": 266.9
  },
  "luminance": 0.07902
}

Semantic roles & 50–950 ramp

primary

#2745B2

secondary

#C8B46D

accent

#C341E7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2745B2

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

Preview Lab → · Contrast checker → · Palette generator →