#4045D8#4045D8

#4045D8 is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.8% C 0.219 H 273.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#4045D8
RGB	rgb(64, 69, 216)
HSL	hsl(238, 66%, 55%)
HSV	hsv(238, 70%, 85%)
CMYK	cmyk(70.4%, 68.1%, 0%, 15.3%)
CIE-LAB	lab(38.38, 45.27, -75.56)
CIE-LCH	lch(38.38, 88.08, 300.93°)
OKLab	oklab(48.76% 0.0127 -0.2184)
OKLCH	oklch(48.76% 0.219 273.3)
XYZ	xyz(16.6330, 10.3025, 66.0644)
Luminance	0.1030 (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

#4045D8 #D8D340

analogous

#4091D8 #4045D8 #8740D8

triadic

#4045D8 #D84045 #45D840

tetradic

#4045D8 #D84091 #D8D340 #40D887

square

#4045D8 #D84091 #D8D340 #40D887

split-complementary

#4045D8 #D88740 #91D840

monochromatic

#1B1E83 #252AB6 #4045D8 #7376E2 #A6A8ED

Accessibility & contrast

On white

6.86

#4045D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4045D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4045D8

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4045D8	#FFFFFF	#000000	##FFFFFF
##4045D8	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061DC

Deuteranopia (green-blind)

#0053D5

Tritanopia (blue-blind)

#006D89

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4045d8;
/* rgb */ color: rgb(64, 69, 216);
/* oklch */ color: oklch(48.8% 0.219 273.3);

Tailwind

colors: {
  custom: {
    50: '#8979e5',
    500: '#4045d8',
    950: '#000000',
  },
}

SCSS

$custom: #4045d8;
$custom-light: #8979e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4045d8",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 216
  },
  "hsl": {
    "h": 238.026,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48755,
    "c": 0.2188,
    "h": 273.3
  },
  "luminance": 0.10304
}

Semantic roles & 50–950 ramp

primary

#4045D8

secondary

#DAD89A

accent

#E33FE9

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #4045D8

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

Preview Lab → · Contrast checker → · Palette generator →