#40487F#40487F

#40487F is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.2% C 0.092 H 275.5°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#40487F
RGB	rgb(64, 72, 127)
HSL	hsl(232, 33%, 37%)
HSV	hsv(232, 50%, 50%)
CMYK	cmyk(49.6%, 43.3%, 0%, 50.2%)
CIE-LAB	lab(32.38, 12.93, -32.21)
CIE-LCH	lch(32.38, 34.70, 291.88°)
OKLab	oklab(42.2% 0.0088 -0.0911)
OKLCH	oklch(42.2% 0.092 275.5)
XYZ	xyz(8.2613, 7.2566, 21.0399)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40487F #7F7740

analogous

#40677F #40487F #58407F

triadic

#40487F #7F4048 #487F40

tetradic

#40487F #7F4067 #7F7740 #407F58

square

#40487F #7F4067 #7F7740 #407F58

split-complementary

#40487F #7F5840 #677F40

monochromatic

#171A2E #2B3156 #40487F #555FA8 #7C85BD

Accessibility & contrast

On white

8.57

#40487F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#40487F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40487F

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40487F	#FFFFFF	#000000	##FFFFFF
##40487F	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334F81

Deuteranopia (green-blind)

#2D4A7E

Tritanopia (blue-blind)

#28545D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40487f;
/* rgb */ color: rgb(64, 72, 127);
/* oklch */ color: oklch(42.2% 0.092 275.5);

Tailwind

colors: {
  custom: {
    50: '#797aa4',
    500: '#40487f',
    950: '#000000',
  },
}

SCSS

$custom: #40487f;
$custom-light: #797aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#40487f",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 232.381,
    "s": 32.984,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42195,
    "c": 0.09157,
    "h": 275.5
  },
  "luminance": 0.07257
}

Semantic roles & 50–950 ramp

primary

#40487F

secondary

#A8A173

accent

#BC5FC9

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #40487F

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

Preview Lab → · Contrast checker → · Palette generator →