#4451B2#4451B2

#4451B2 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.153 H 273.4°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4451B2
RGB	rgb(68, 81, 178)
HSL	hsl(233, 45%, 48%)
HSV	hsv(233, 62%, 70%)
CMYK	cmyk(61.8%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(38.42, 25.39, -53.36)
CIE-LCH	lch(38.42, 59.09, 295.44°)
OKLab	oklab(47.9% 0.0091 -0.1531)
OKLCH	oklch(47.9% 0.153 273.4)
XYZ	xyz(13.3596, 10.3271, 43.4002)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451B2 #B2A544

analogous

#4488B2 #4451B2 #6E44B2

triadic

#4451B2 #B24451 #51B244

tetradic

#4451B2 #B24488 #B2A544 #44B26E

square

#4451B2 #B24488 #B2A544 #44B26E

split-complementary

#4451B2 #B26E44 #88B244

monochromatic

#222959 #333D86 #4451B2 #6C77C7 #99A0D8

Accessibility & contrast

On white

6.85

#4451B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#4451B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451B2

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451B2	#FFFFFF	#000000	##FFFFFF
##4451B2	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D5FB5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4451b2;
/* rgb */ color: rgb(68, 81, 178);
/* oklch */ color: oklch(47.9% 0.153 273.4);

Tailwind

colors: {
  custom: {
    50: '#8381ca',
    500: '#4451b2',
    950: '#000000',
  },
}

SCSS

$custom: #4451b2;
$custom-light: #8381ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4451b2",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 232.909,
    "s": 44.715,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47899,
    "c": 0.15336,
    "h": 273.4
  },
  "luminance": 0.10328
}

Semantic roles & 50–950 ramp

primary

#4451B2

secondary

#C4BD8E

accent

#C553D4

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4451B2

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

Preview Lab → · Contrast checker → · Palette generator →