#40489F#40489F

#40489F is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.139 H 275.2°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#40489F
RGB	rgb(64, 72, 159)
HSL	hsl(235, 43%, 44%)
HSV	hsv(235, 60%, 62%)
CMYK	cmyk(59.7%, 54.7%, 0%, 37.6%)
CIE-LAB	lab(34.45, 23.87, -48.46)
CIE-LCH	lch(34.45, 54.02, 296.22°)
OKLab	oklab(44.43% 0.0127 -0.1389)
OKLCH	oklch(44.43% 0.139 275.2)
XYZ	xyz(10.6877, 8.2271, 33.8190)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40489F #9F9740

analogous

#40779F #40489F #67409F

triadic

#40489F #9F4048 #489F40

tetradic

#40489F #9F4077 #9F9740 #409F67

square

#40489F #9F4077 #9F9740 #409F67

split-complementary

#40489F #9F6740 #779F40

monochromatic

#1D2048 #2E3473 #40489F #5E66BE #8A90D0

Accessibility & contrast

On white

7.94

#40489F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#40489F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40489F

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40489F	#FFFFFF	#000000	##FFFFFF
##40489F	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1055A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #40489f;
/* rgb */ color: rgb(64, 72, 159);
/* oklch */ color: oklch(44.4% 0.139 275.2);

Tailwind

colors: {
  custom: {
    50: '#7e7abc',
    500: '#40489f',
    950: '#000000',
  },
}

SCSS

$custom: #40489f;
$custom-light: #7e7abc;
$custom-dark: #000000;

JSON

{
  "hex": "#40489f",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 159
  },
  "hsl": {
    "h": 234.947,
    "s": 42.601,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44425,
    "c": 0.13946,
    "h": 275.2
  },
  "luminance": 0.08228
}

Semantic roles & 50–950 ramp

primary

#40489F

secondary

#BBB680

accent

#C855D2

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #40489F

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

Preview Lab → · Contrast checker → · Palette generator →