#4045AC#4045AC

#4045AC is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.9% C 0.162 H 275.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4045AC
RGB	rgb(64, 69, 172)
HSL	hsl(237, 46%, 46%)
HSV	hsv(237, 63%, 67%)
CMYK	cmyk(62.8%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(34.65, 30.32, -55.93)
CIE-LCH	lch(34.65, 63.62, 298.46°)
OKLab	oklab(44.88% 0.0159 -0.1609)
OKLCH	oklch(44.88% 0.162 275.6)
XYZ	xyz(11.6864, 8.3238, 40.0125)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4045AC #ACA740

analogous

#407BAC #4045AC #7140AC

triadic

#4045AC #AC4045 #45AC40

tetradic

#4045AC #AC407B #ACA740 #40AC71

square

#4045AC #AC407B #ACA740 #40AC71

split-complementary

#4045AC #AC7140 #7BAC40

monochromatic

#1F2153 #2F337F #4045AC #6468C5 #9194D6

Accessibility & contrast

On white

7.88

#4045AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4045AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045AC

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045AC	#FFFFFF	#000000	##FFFFFF
##4045AC	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4045ac;
/* rgb */ color: rgb(64, 69, 172);
/* oklch */ color: oklch(44.9% 0.162 275.6);

Tailwind

colors: {
  custom: {
    50: '#8078c6',
    500: '#4045ac',
    950: '#000000',
  },
}

SCSS

$custom: #4045ac;
$custom-light: #8078c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4045ac",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 237.222,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44878,
    "c": 0.16166,
    "h": 275.6
  },
  "luminance": 0.08325
}

Semantic roles & 50–950 ramp

primary

#4045AC

secondary

#C1BE87

accent

#CF52D5

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4045AC

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

Preview Lab → · Contrast checker → · Palette generator →