#40487D#40487D

#40487D is a dark, moderate blue. Relative luminance 0.072; OKLCH L 42.1% C 0.088 H 275.4°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#40487D
RGB	rgb(64, 72, 125)
HSL	hsl(232, 32%, 37%)
HSV	hsv(232, 49%, 49%)
CMYK	cmyk(48.8%, 42.4%, 0%, 51%)
CIE-LAB	lab(32.27, 12.27, -31.15)
CIE-LCH	lch(32.27, 33.47, 291.50°)
OKLab	oklab(42.07% 0.0084 -0.088)
OKLCH	oklch(42.07% 0.088 275.4)
XYZ	xyz(8.1322, 7.2049, 20.3602)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40487D #7D7540

analogous

#40677D #40487D #57407D

triadic

#40487D #7D4048 #487D40

tetradic

#40487D #7D4067 #7D7540 #407D57

square

#40487D #7D4067 #7D7540 #407D57

split-complementary

#40487D #7D5740 #677D40

monochromatic

#17192C #2B3155 #40487D #555FA5 #7C84BC

Accessibility & contrast

On white

8.60

#40487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#40487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40487D

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40487D	#FFFFFF	#000000	##FFFFFF
##40487D	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7F

Deuteranopia (green-blind)

#2E4A7C

Tritanopia (blue-blind)

#2A535C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #40487d;
/* rgb */ color: rgb(64, 72, 125);
/* oklch */ color: oklch(42.1% 0.088 275.4);

Tailwind

colors: {
  custom: {
    50: '#797aa3',
    500: '#40487d',
    950: '#000000',
  },
}

SCSS

$custom: #40487d;
$custom-light: #797aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#40487d",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 232.131,
    "s": 32.275,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4207,
    "c": 0.08845,
    "h": 275.4
  },
  "luminance": 0.07205
}

Semantic roles & 50–950 ramp

primary

#40487D

secondary

#A6A073

accent

#BB5FC8

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #40487D

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

Preview Lab → · Contrast checker → · Palette generator →