#4451E1#4451E1

#4451E1 is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.7% C 0.216 H 272.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#4451E1
RGB	rgb(68, 81, 225)
HSL	hsl(235, 72%, 57%)
HSV	hsv(235, 70%, 88%)
CMYK	cmyk(69.8%, 64%, 0%, 11.8%)
CIE-LAB	lab(42.07, 41.58, -74.63)
CIE-LCH	lch(42.07, 85.44, 299.13°)
OKLab	oklab(51.74% 0.0086 -0.2156)
OKLCH	oklch(51.74% 0.216 272.3)
XYZ	xyz(18.9124, 12.5482, 72.6449)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451E1 #E1D444

analogous

#449FE1 #4451E1 #8644E1

triadic

#4451E1 #E14451 #51E144

tetradic

#4451E1 #E1449F #E1D444 #44E186

square

#4451E1 #E1449F #E1D444 #44E186

split-complementary

#4451E1 #E18644 #9FE144

monochromatic

#182293 #202EC8 #4451E1 #7982E9 #ADB3F2

Accessibility & contrast

On white

5.98

#4451E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4451E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451E1

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451E1	#FFFFFF	#000000	##FFFFFF
##4451E1	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE6

Deuteranopia (green-blind)

#005CDE

Tritanopia (blue-blind)

#007792

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4451e1;
/* rgb */ color: rgb(68, 81, 225);
/* oklch */ color: oklch(51.7% 0.216 272.3);

Tailwind

colors: {
  custom: {
    50: '#8c82ec',
    500: '#4451e1',
    950: '#000000',
  },
}

SCSS

$custom: #4451e1;
$custom-light: #8c82ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4451e1",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 225
  },
  "hsl": {
    "h": 235.032,
    "s": 72.35,
    "l": 57.451
  },
  "oklch": {
    "l": 0.51743,
    "c": 0.21575,
    "h": 272.3
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#4451E1

secondary

#E0DBA1

accent

#E039EF

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4451E1

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

Preview Lab → · Contrast checker → · Palette generator →