#40599A#40599A

#40599A is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.7% C 0.109 H 266.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#40599A
RGB	rgb(64, 89, 154)
HSL	hsl(223, 41%, 43%)
HSV	hsv(223, 58%, 60%)
CMYK	cmyk(58.4%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(38.84, 11.04, -38.42)
CIE-LCH	lch(38.84, 39.97, 286.03°)
OKLab	oklab(47.66% -0.0067 -0.1092)
OKLCH	oklch(47.66% 0.109 266.5)
XYZ	xyz(11.5175, 10.5669, 31.9983)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40599A #9A8140

analogous

#40869A #40599A #54409A

triadic

#40599A #9A4059 #599A40

tetradic

#40599A #9A4086 #9A8140 #409A54

square

#40599A #9A4086 #9A8140 #409A54

split-complementary

#40599A #9A5440 #869A40

monochromatic

#1C2744 #2E406F #40599A #5C76BB #879BCD

Accessibility & contrast

On white

6.74

#40599A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#40599A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40599A

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40599A	#FFFFFF	#000000	##FFFFFF
##40599A	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D609D

Deuteranopia (green-blind)

#315899

Tritanopia (blue-blind)

#006772

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #40599a;
/* rgb */ color: rgb(64, 89, 154);
/* oklch */ color: oklch(47.7% 0.109 266.5);

Tailwind

colors: {
  custom: {
    50: '#7c87b8',
    500: '#40599a',
    950: '#000000',
  },
}

SCSS

$custom: #40599a;
$custom-light: #7c87b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40599a",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 223.333,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47659,
    "c": 0.10938,
    "h": 266.5
  },
  "luminance": 0.10568
}

Semantic roles & 50–950 ramp

primary

#40599A

secondary

#B8A87E

accent

#AF57D1

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #40599A

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

Preview Lab → · Contrast checker → · Palette generator →