#4555D9#4555D9

#4555D9 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.8% C 0.201 H 272.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4555D9
RGB	rgb(69, 85, 217)
HSL	hsl(234, 66%, 56%)
HSV	hsv(234, 68%, 85%)
CMYK	cmyk(68.2%, 60.8%, 0%, 14.9%)
CIE-LAB	lab(42.41, 36.52, -69.51)
CIE-LCH	lch(42.41, 78.52, 297.72°)
OKLab	oklab(51.81% 0.0071 -0.2005)
OKLCH	oklch(51.81% 0.201 272)
XYZ	xyz(18.2229, 12.7702, 67.1367)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555D9 #D9C945

analogous

#459FD9 #4555D9 #7F45D9

triadic

#4555D9 #D94555 #55D945

tetradic

#4555D9 #D9459F #D9C945 #45D97F

square

#4555D9 #D9459F #D9C945 #45D97F

split-complementary

#4555D9 #D97F45 #9FD945

monochromatic

#1C2788 #2636BB #4555D9 #7883E3 #ABB2EE

Accessibility & contrast

On white

5.91

#4555D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4555D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555D9

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555D9	#FFFFFF	#000000	##FFFFFF
##4555D9	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDD

Deuteranopia (green-blind)

#005DD6

Tritanopia (blue-blind)

#00768F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4555d9;
/* rgb */ color: rgb(69, 85, 217);
/* oklch */ color: oklch(51.8% 0.201 272.0);

Tailwind

colors: {
  custom: {
    50: '#8a85e6',
    500: '#4555d9',
    950: '#000000',
  },
}

SCSS

$custom: #4555d9;
$custom-light: #8a85e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4555d9",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 217
  },
  "hsl": {
    "h": 233.514,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51806,
    "c": 0.20064,
    "h": 272
  },
  "luminance": 0.12772
}

Semantic roles & 50–950 ramp

primary

#4555D9

secondary

#DBD59E

accent

#D73FE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4555D9

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

Preview Lab → · Contrast checker → · Palette generator →