#40599E#40599E

#40599E is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.9% C 0.115 H 267.0°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#40599E
RGB	rgb(64, 89, 158)
HSL	hsl(224, 42%, 44%)
HSV	hsv(224, 59%, 62%)
CMYK	cmyk(59.5%, 43.7%, 0%, 38%)
CIE-LAB	lab(39.07, 12.44, -40.44)
CIE-LCH	lch(39.07, 42.31, 287.09°)
OKLab	oklab(47.91% -0.006 -0.1151)
OKLCH	oklch(47.91% 0.115 267)
XYZ	xyz(11.8562, 10.7024, 33.7821)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40599E #9E8540

analogous

#40889E #40599E #56409E

triadic

#40599E #9E4059 #599E40

tetradic

#40599E #9E4088 #9E8540 #409E56

square

#40599E #9E4088 #9E8540 #409E56

split-complementary

#40599E #9E5640 #889E40

monochromatic

#1D2847 #2E4072 #40599E #5E77BE #899CCF

Accessibility & contrast

On white

6.69

#40599E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#40599E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40599E

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40599E	#FFFFFF	#000000	##FFFFFF
##40599E	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A61A1

Deuteranopia (green-blind)

#2E589D

Tritanopia (blue-blind)

#006874

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #40599e;
/* rgb */ color: rgb(64, 89, 158);
/* oklch */ color: oklch(47.9% 0.115 267.0);

Tailwind

colors: {
  custom: {
    50: '#7d87bb',
    500: '#40599e',
    950: '#000000',
  },
}

SCSS

$custom: #40599e;
$custom-light: #7d87bb;
$custom-dark: #000000;

JSON

{
  "hex": "#40599e",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 158
  },
  "hsl": {
    "h": 224.043,
    "s": 42.342,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47914,
    "c": 0.11526,
    "h": 267
  },
  "luminance": 0.10703
}

Semantic roles & 50–950 ramp

primary

#40599E

secondary

#BAAB80

accent

#B156D2

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #40599E

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

Preview Lab → · Contrast checker → · Palette generator →