#2745BA#2745BA

#2745BA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.187 H 267.0°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#2745BA
RGB	rgb(39, 69, 186)
HSL	hsl(228, 65%, 44%)
HSV	hsv(228, 79%, 73%)
CMYK	cmyk(79%, 62.9%, 0%, 27.1%)
CIE-LAB	lab(34.46, 32.10, -64.59)
CIE-LCH	lch(34.46, 72.13, 296.43°)
OKLab	oklab(44.74% -0.0097 -0.1869)
OKLCH	oklch(44.74% 0.187 267)
XYZ	xyz(11.8247, 8.2314, 47.4105)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2745BA #BA9C27

analogous

#278FBA #2745BA #5327BA

triadic

#2745BA #BA2745 #45BA27

tetradic

#2745BA #BA278F #BA9C27 #27BA53

square

#2745BA #BA278F #BA9C27 #27BA53

split-complementary

#2745BA #BA5327 #8FBA27

monochromatic

#121F55 #1C3287 #2745BA #4664D8 #798EE3

Accessibility & contrast

On white

7.93

#2745BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2745BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2745BA

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2745BA	#FFFFFF	#000000	##FFFFFF
##2745BA	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#006479

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2745ba;
/* rgb */ color: rgb(39, 69, 186);
/* oklch */ color: oklch(44.7% 0.187 267.0);

Tailwind

colors: {
  custom: {
    50: '#7a78d0',
    500: '#2745ba',
    950: '#000000',
  },
}

SCSS

$custom: #2745ba;
$custom-light: #7a78d0;
$custom-dark: #000000;

JSON

{
  "hex": "#2745ba",
  "rgb": {
    "r": 39,
    "g": 69,
    "b": 186
  },
  "hsl": {
    "h": 227.755,
    "s": 65.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44737,
    "c": 0.18711,
    "h": 267
  },
  "luminance": 0.08233
}

Semantic roles & 50–950 ramp

primary

#2745BA

secondary

#CBB972

accent

#C640E8

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2745BA

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

Preview Lab → · Contrast checker → · Palette generator →