#4045AF#4045AF

#4045AF is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.1% C 0.166 H 275.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#4045AF
RGB	rgb(64, 69, 175)
HSL	hsl(237, 46%, 47%)
HSV	hsv(237, 63%, 69%)
CMYK	cmyk(63.4%, 60.6%, 0%, 31.4%)
CIE-LAB	lab(34.88, 31.35, -57.33)
CIE-LCH	lch(34.88, 65.34, 298.67°)
OKLab	oklab(45.13% 0.0158 -0.165)
OKLCH	oklch(45.13% 0.166 275.5)
XYZ	xyz(11.9778, 8.4404, 41.5471)
Luminance	0.0844 (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

#4045AF #AFAA40

analogous

#407DAF #4045AF #7340AF

triadic

#4045AF #AF4045 #45AF40

tetradic

#4045AF #AF407D #AFAA40 #40AF73

square

#4045AF #AF407D #AFAA40 #40AF73

split-complementary

#4045AF #AF7340 #7DAF40

monochromatic

#1F2255 #303382 #4045AF #656AC7 #9295D7

Accessibility & contrast

On white

7.81

#4045AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4045AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4045AF

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045AF	#FFFFFF	#000000	##FFFFFF
##4045AF	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004DAD

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4045af;
/* rgb */ color: rgb(64, 69, 175);
/* oklch */ color: oklch(45.1% 0.166 275.5);

Tailwind

colors: {
  custom: {
    50: '#8178c8',
    500: '#4045af',
    950: '#000000',
  },
}

SCSS

$custom: #4045af;
$custom-light: #8178c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4045af",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 175
  },
  "hsl": {
    "h": 237.297,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45126,
    "c": 0.16577,
    "h": 275.5
  },
  "luminance": 0.08441
}

Semantic roles & 50–950 ramp

primary

#4045AF

secondary

#C3C088

accent

#D052D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #4045AF

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

Preview Lab → · Contrast checker → · Palette generator →