#40659D#40659D

#40659D is a mid, moderate blue. Relative luminance 0.128; OKLCH L 50.6% C 0.099 H 258.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#40659D
RGB	rgb(64, 101, 157)
HSL	hsl(216, 42%, 43%)
HSV	hsv(216, 59%, 62%)
CMYK	cmyk(59.2%, 35.7%, 0%, 38.4%)
CIE-LAB	lab(42.51, 4.45, -34.40)
CIE-LCH	lch(42.51, 34.69, 277.37°)
OKLab	oklab(50.55% -0.0199 -0.0973)
OKLCH	oklch(50.55% 0.099 258.4)
XYZ	xyz(12.8517, 12.8306, 33.6910)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40659D #9D7840

analogous

#40939D #40659D #49409D

triadic

#40659D #9D4065 #659D40

tetradic

#40659D #9D4093 #9D7840 #409D49

square

#40659D #9D4093 #9D7840 #409D49

split-complementary

#40659D #9D4940 #939D40

monochromatic

#1D2D46 #2E4972 #40659D #5D83BD #89A5CF

Accessibility & contrast

On white

5.89

#40659D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#40659D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40659D

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40659D	#FFFFFF	#000000	##FFFFFF
##40659D	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E699F

Deuteranopia (green-blind)

#42609C

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #40659d;
/* rgb */ color: rgb(64, 101, 157);
/* oklch */ color: oklch(50.6% 0.099 258.4);

Tailwind

colors: {
  custom: {
    50: '#7c90ba',
    500: '#40659d',
    950: '#000000',
  },
}

SCSS

$custom: #40659d;
$custom-light: #7c90ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40659d",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 157
  },
  "hsl": {
    "h": 216.129,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50551,
    "c": 0.09932,
    "h": 258.4
  },
  "luminance": 0.12832
}

Semantic roles & 50–950 ramp

primary

#40659D

secondary

#B9A27F

accent

#A156D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #40659D

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

Preview Lab → · Contrast checker → · Palette generator →