#4451CF#4451CF

#4451CF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.2% C 0.193 H 272.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4451CF
RGB	rgb(68, 81, 207)
HSL	hsl(234, 59%, 54%)
HSV	hsv(234, 67%, 81%)
CMYK	cmyk(67.1%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(40.60, 35.43, -66.73)
CIE-LCH	lch(40.60, 75.56, 297.97°)
OKLab	oklab(50.2% 0.0094 -0.1924)
OKLCH	oklch(50.2% 0.193 272.8)
XYZ	xyz(16.5850, 11.6173, 60.3877)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451CF #CFC244

analogous

#4497CF #4451CF #7D44CF

triadic

#4451CF #CF4451 #51CF44

tetradic

#4451CF #CF4497 #CFC244 #44CF7D

square

#4451CF #CF4497 #CFC244 #44CF7D

split-complementary

#4451CF #CF7D44 #97CF44

monochromatic

#1F2879 #2C37AA #4451CF #757EDC #A5ACE8

Accessibility & contrast

On white

6.32

#4451CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4451CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451CF

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451CF	#FFFFFF	#000000	##FFFFFF
##4451CF	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D3

Deuteranopia (green-blind)

#005ACD

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4451cf;
/* rgb */ color: rgb(68, 81, 207);
/* oklch */ color: oklch(50.2% 0.193 272.8);

Tailwind

colors: {
  custom: {
    50: '#8882df',
    500: '#4451cf',
    950: '#000000',
  },
}

SCSS

$custom: #4451cf;
$custom-light: #8882df;
$custom-dark: #000000;

JSON

{
  "hex": "#4451cf",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 234.388,
    "s": 59.149,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50204,
    "c": 0.19264,
    "h": 272.8
  },
  "luminance": 0.11619
}

Semantic roles & 50–950 ramp

primary

#4451CF

secondary

#D5D09A

accent

#D445E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4451CF

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

Preview Lab → · Contrast checker → · Palette generator →