#2945B3#2945B3

#2945B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.177 H 267.4°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#2945B3
RGB	rgb(41, 69, 179)
HSL	hsl(228, 63%, 43%)
HSV	hsv(228, 77%, 70%)
CMYK	cmyk(77.1%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(33.94, 29.68, -61.29)
CIE-LCH	lch(33.94, 68.10, 295.84°)
OKLab	oklab(44.19% -0.008 -0.1772)
OKLCH	oklch(44.19% 0.177 267.4)
XYZ	xyz(11.1764, 7.9811, 43.5906)
Luminance	0.0798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2945B3 #B39729

analogous

#298AB3 #2945B3 #5229B3

triadic

#2945B3 #B32945 #45B329

tetradic

#2945B3 #B3298A #B39729 #29B352

square

#2945B3 #B3298A #B39729 #29B352

split-complementary

#2945B3 #B35229 #8AB329

monochromatic

#121F4F #1E3281 #2945B3 #4562D4 #778CE0

Accessibility & contrast

On white

8.09

#2945B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#2945B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2945B3

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2945B3	#FFFFFF	#000000	##FFFFFF
##2945B3	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2945b3;
/* rgb */ color: rgb(41, 69, 179);
/* oklch */ color: oklch(44.2% 0.177 267.4);

Tailwind

colors: {
  custom: {
    50: '#7878cb',
    500: '#2945b3',
    950: '#000000',
  },
}

SCSS

$custom: #2945b3;
$custom-light: #7878cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2945b3",
  "rgb": {
    "r": 41,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 227.826,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44192,
    "c": 0.17735,
    "h": 267.4
  },
  "luminance": 0.07982
}

Semantic roles & 50–950 ramp

primary

#2945B3

secondary

#C7B670

accent

#C542E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2945B3

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

Preview Lab → · Contrast checker → · Palette generator →