#2745AB#2745AB

#2745AB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.167 H 266.6°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#2745AB
RGB	rgb(39, 69, 171)
HSL	hsl(226, 63%, 41%)
HSV	hsv(226, 77%, 67%)
CMYK	cmyk(77.2%, 59.6%, 0%, 32.9%)
CIE-LAB	lab(33.19, 26.44, -57.76)
CIE-LCH	lch(33.19, 63.53, 294.60°)
OKLab	oklab(43.4% -0.0098 -0.1668)
OKLCH	oklch(43.4% 0.167 266.6)
XYZ	xyz(10.3129, 7.6267, 39.4488)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745AB #AB8D27

analogous

#2787AB #2745AB #4B27AB

triadic

#2745AB #AB2745 #45AB27

tetradic

#2745AB #AB2787 #AB8D27 #27AB4B

square

#2745AB #AB2787 #AB8D27 #27AB4B

split-complementary

#2745AB #AB4B27 #87AB27

monochromatic

#101D47 #1C3179 #2745AB #3D5FD3 #6E88DE

Accessibility & contrast

On white

8.31

#2745AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#2745AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745AB

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745AB	#FFFFFF	#000000	##FFFFFF
##2745AB	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0048A9

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2745ab;
/* rgb */ color: rgb(39, 69, 171);
/* oklch */ color: oklch(43.4% 0.167 266.6);

Tailwind

colors: {
  custom: {
    50: '#7678c5',
    500: '#2745ab',
    950: '#000000',
  },
}

SCSS

$custom: #2745ab;
$custom-light: #7678c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2745ab",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 171
  },
  "hsl": {
    "h": 226.364,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43403,
    "c": 0.16714,
    "h": 266.6
  },
  "luminance": 0.07628
}

Semantic roles & 50–950 ramp

primary

#2745AB

secondary

#C5B069

accent

#C142E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2745AB

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

Preview Lab → · Contrast checker → · Palette generator →