#40487E#40487E

#40487E is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.1% C 0.090 H 275.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#40487E
RGB	rgb(64, 72, 126)
HSL	hsl(232, 33%, 37%)
HSV	hsv(232, 49%, 49%)
CMYK	cmyk(49.2%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(32.33, 12.60, -31.68)
CIE-LCH	lch(32.33, 34.09, 291.69°)
OKLab	oklab(42.13% 0.0086 -0.0896)
OKLCH	oklch(42.13% 0.09 275.5)
XYZ	xyz(8.1964, 7.2306, 20.6984)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40487E #7E7640

analogous

#40677E #40487E #57407E

triadic

#40487E #7E4048 #487E40

tetradic

#40487E #7E4067 #7E7640 #407E57

square

#40487E #7E4067 #7E7640 #407E57

split-complementary

#40487E #7E5740 #677E40

monochromatic

#171A2D #2B3155 #40487E #555FA7 #7C84BC

Accessibility & contrast

On white

8.58

#40487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#40487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40487E

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40487E	#FFFFFF	#000000	##FFFFFF
##40487E	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334F80

Deuteranopia (green-blind)

#2E4A7D

Tritanopia (blue-blind)

#29535D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40487e;
/* rgb */ color: rgb(64, 72, 126);
/* oklch */ color: oklch(42.1% 0.090 275.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40487e",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 232.258,
    "s": 32.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.42132,
    "c": 0.09001,
    "h": 275.5
  },
  "luminance": 0.07231
}

Semantic roles & 50–950 ramp

primary

#40487E

secondary

#A7A073

accent

#BB5FC9

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #40487E

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

Preview Lab → · Contrast checker → · Palette generator →