#4045AA#4045AA

#4045AA is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.159 H 275.7°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#4045AA
RGB	rgb(64, 69, 170)
HSL	hsl(237, 45%, 46%)
HSV	hsv(237, 62%, 67%)
CMYK	cmyk(62.4%, 59.4%, 0%, 33.3%)
CIE-LAB	lab(34.49, 29.63, -54.99)
CIE-LCH	lch(34.49, 62.46, 298.31°)
OKLab	oklab(44.71% 0.0159 -0.1581)
OKLCH	oklch(44.71% 0.159 275.7)
XYZ	xyz(11.4958, 8.2476, 39.0086)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4045AA #AAA540

analogous

#407AAA #4045AA #7040AA

triadic

#4045AA #AA4045 #45AA40

tetradic

#4045AA #AA407A #AAA540 #40AA70

square

#4045AA #AA407A #AAA540 #40AA70

split-complementary

#4045AA #AA7040 #7AAA40

monochromatic

#1F2151 #2F337E #4045AA #6368C4 #8F93D5

Accessibility & contrast

On white

7.93

#4045AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#4045AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045AA

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045AA	#FFFFFF	#000000	##FFFFFF
##4045AA	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#004DA8

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4045aa;
/* rgb */ color: rgb(64, 69, 170);
/* oklch */ color: oklch(44.7% 0.159 275.7);

Tailwind

colors: {
  custom: {
    50: '#8078c4',
    500: '#4045aa',
    950: '#000000',
  },
}

SCSS

$custom: #4045aa;
$custom-light: #8078c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4045aa",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 170
  },
  "hsl": {
    "h": 237.17,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44714,
    "c": 0.15892,
    "h": 275.7
  },
  "luminance": 0.08249
}

Semantic roles & 50–950 ramp

primary

#4045AA

secondary

#C0BD86

accent

#CF53D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4045AA

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

Preview Lab → · Contrast checker → · Palette generator →