#40489A#40489A

#40489A is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.132 H 275.4°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#40489A
RGB	rgb(64, 72, 154)
HSL	hsl(235, 41%, 43%)
HSV	hsv(235, 58%, 60%)
CMYK	cmyk(58.4%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(34.10, 22.14, -46.01)
CIE-LCH	lch(34.10, 51.05, 295.70°)
OKLab	oklab(44.05% 0.0124 -0.1317)
OKLCH	oklch(44.05% 0.132 275.4)
XYZ	xyz(10.2626, 8.0571, 31.5800)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40489A #9A9240

analogous

#40759A #40489A #65409A

triadic

#40489A #9A4048 #489A40

tetradic

#40489A #9A4075 #9A9240 #409A65

square

#40489A #9A4075 #9A9240 #409A65

split-complementary

#40489A #9A6540 #759A40

monochromatic

#1C2044 #2E346F #40489A #5C64BB #878DCD

Accessibility & contrast

On white

8.04

#40489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#40489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40489A

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40489A	#FFFFFF	#000000	##FFFFFF
##40489A	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19549D

Deuteranopia (green-blind)

#034D98

Tritanopia (blue-blind)

#055B6A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #40489a;
/* rgb */ color: rgb(64, 72, 154);
/* oklch */ color: oklch(44.1% 0.132 275.4);

Tailwind

colors: {
  custom: {
    50: '#7d7ab8',
    500: '#40489a',
    950: '#000000',
  },
}

SCSS

$custom: #40489a;
$custom-light: #7d7ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#40489a",
  "rgb": {
    "r": 64,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 234.667,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44051,
    "c": 0.13224,
    "h": 275.4
  },
  "luminance": 0.08058
}

Semantic roles & 50–950 ramp

primary

#40489A

secondary

#B8B37E

accent

#C657D1

background

#F8F7FB

surface

#EFEDF6

border

#CAC8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #40489A

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

Preview Lab → · Contrast checker → · Palette generator →