#40449A#40449A

#40449A is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.3% C 0.138 H 277.0°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#40449A
RGB	rgb(64, 68, 154)
HSL	hsl(237, 41%, 43%)
HSV	hsv(237, 58%, 60%)
CMYK	cmyk(58.4%, 55.8%, 0%, 39.6%)
CIE-LAB	lab(33.04, 24.75, -47.72)
CIE-LCH	lch(33.04, 53.75, 297.42°)
OKLab	oklab(43.26% 0.0167 -0.1367)
OKLCH	oklch(43.26% 0.138 277)
XYZ	xyz(10.0123, 7.5566, 31.4965)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40449A #9A9640

analogous

#40719A #40449A #69409A

triadic

#40449A #9A4044 #449A40

tetradic

#40449A #9A4071 #9A9640 #409A69

square

#40449A #9A4071 #9A9640 #409A69

split-complementary

#40449A #9A6940 #719A40

monochromatic

#1C1E44 #2E316F #40449A #5C60BB #878ACD

Accessibility & contrast

On white

8.36

#40449A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#40449A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40449A

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40449A	#FFFFFF	#000000	##FFFFFF
##40449A	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08529D

Deuteranopia (green-blind)

#004A98

Tritanopia (blue-blind)

#075868

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #40449a;
/* rgb */ color: rgb(64, 68, 154);
/* oklch */ color: oklch(43.3% 0.138 277.0);

Tailwind

colors: {
  custom: {
    50: '#7d77b8',
    500: '#40449a',
    950: '#000000',
  },
}

SCSS

$custom: #40449a;
$custom-light: #7d77b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40449a",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 154
  },
  "hsl": {
    "h": 237.333,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43257,
    "c": 0.13775,
    "h": 277
  },
  "luminance": 0.07557
}

Semantic roles & 50–950 ramp

primary

#40449A

secondary

#B8B57E

accent

#CC57D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #40449A

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

Preview Lab → · Contrast checker → · Palette generator →