#4555D1#4555D1

#4555D1 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.190 H 272.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4555D1
RGB	rgb(69, 85, 209)
HSL	hsl(233, 60%, 55%)
HSV	hsv(233, 67%, 82%)
CMYK	cmyk(67%, 59.3%, 0%, 18%)
CIE-LAB	lab(41.79, 33.76, -65.95)
CIE-LCH	lch(41.79, 74.09, 297.11°)
OKLab	oklab(51.15% 0.0073 -0.19)
OKLCH	oklch(51.15% 0.19 272.2)
XYZ	xyz(17.2075, 12.3641, 61.7889)
Luminance	0.1237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555D1 #D1C145

analogous

#459BD1 #4555D1 #7B45D1

triadic

#4555D1 #D14555 #55D145

tetradic

#4555D1 #D1459B #D1C145 #45D17B

square

#4555D1 #D1459B #D1C145 #45D17B

split-complementary

#4555D1 #D17B45 #9BD145

monochromatic

#1F2A7D #2B3AAE #4555D1 #7682DD #A7AFE9

Accessibility & contrast

On white

6.05

#4555D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4555D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555D1

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555D1	#FFFFFF	#000000	##FFFFFF
##4555D1	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D5

Deuteranopia (green-blind)

#005CCF

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4555d1;
/* rgb */ color: rgb(69, 85, 209);
/* oklch */ color: oklch(51.1% 0.190 272.2);

Tailwind

colors: {
  custom: {
    50: '#8984e0',
    500: '#4555d1',
    950: '#000000',
  },
}

SCSS

$custom: #4555d1;
$custom-light: #8984e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4555d1",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 209
  },
  "hsl": {
    "h": 233.143,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51147,
    "c": 0.19018,
    "h": 272.2
  },
  "luminance": 0.12366
}

Semantic roles & 50–950 ramp

primary

#4555D1

secondary

#D7D09B

accent

#D144E3

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4555D1

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

Preview Lab → · Contrast checker → · Palette generator →