#40549E#40549E

#40549E is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.8% C 0.122 H 269.8°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#40549E
RGB	rgb(64, 84, 158)
HSL	hsl(227, 42%, 44%)
HSV	hsv(227, 59%, 62%)
CMYK	cmyk(59.5%, 46.8%, 0%, 38%)
CIE-LAB	lab(37.66, 15.68, -42.70)
CIE-LCH	lch(37.66, 45.49, 290.16°)
OKLab	oklab(46.83% -0.0004 -0.1218)
OKLCH	oklch(46.83% 0.122 269.8)
XYZ	xyz(11.4542, 9.8984, 33.6481)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40549E #9E8A40

analogous

#40839E #40549E #5B409E

triadic

#40549E #9E4054 #549E40

tetradic

#40549E #9E4083 #9E8A40 #409E5B

square

#40549E #9E4083 #9E8A40 #409E5B

split-complementary

#40549E #9E5B40 #839E40

monochromatic

#1D2647 #2E3D72 #40549E #5E72BE #8998CF

Accessibility & contrast

On white

7.05

#40549E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#40549E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40549E

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40549E	#FFFFFF	#000000	##FFFFFF
##40549E	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315DA1

Deuteranopia (green-blind)

#23559C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #40549e;
/* rgb */ color: rgb(64, 84, 158);
/* oklch */ color: oklch(46.8% 0.122 269.8);

Tailwind

colors: {
  custom: {
    50: '#7d83bb',
    500: '#40549e',
    950: '#000000',
  },
}

SCSS

$custom: #40549e;
$custom-light: #7d83bb;
$custom-dark: #000000;

JSON

{
  "hex": "#40549e",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 158
  },
  "hsl": {
    "h": 227.234,
    "s": 42.342,
    "l": 43.529
  },
  "oklch": {
    "l": 0.4683,
    "c": 0.12181,
    "h": 269.8
  },
  "luminance": 0.09899
}

Semantic roles & 50–950 ramp

primary

#40549E

secondary

#BAAE80

accent

#B856D2

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #40549E

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

Preview Lab → · Contrast checker → · Palette generator →