#4451B8#4451B8

#4451B8 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.4% C 0.162 H 273.3°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4451B8
RGB	rgb(68, 81, 184)
HSL	hsl(233, 46%, 49%)
HSV	hsv(233, 63%, 72%)
CMYK	cmyk(63%, 56%, 0%, 27.8%)
CIE-LAB	lab(38.85, 27.47, -56.19)
CIE-LCH	lch(38.85, 62.55, 296.05°)
OKLab	oklab(48.36% 0.0094 -0.1614)
OKLCH	oklch(48.36% 0.162 273.3)
XYZ	xyz(13.9752, 10.5733, 46.6425)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451B8 #B8AB44

analogous

#448BB8 #4451B8 #7144B8

triadic

#4451B8 #B84451 #51B844

tetradic

#4451B8 #B8448B #B8AB44 #44B871

square

#4451B8 #B8448B #B8AB44 #44B871

split-complementary

#4451B8 #B87144 #8BB844

monochromatic

#232A5F #333D8B #4451B8 #6F79CA #9CA3DA

Accessibility & contrast

On white

6.74

#4451B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4451B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451B8

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451B8	#FFFFFF	#000000	##FFFFFF
##4451B8	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0057B6

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4451b8;
/* rgb */ color: rgb(68, 81, 184);
/* oklch */ color: oklch(48.4% 0.162 273.3);

Tailwind

colors: {
  custom: {
    50: '#8481ce',
    500: '#4451b8',
    950: '#000000',
  },
}

SCSS

$custom: #4451b8;
$custom-light: #8481ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4451b8",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 184
  },
  "hsl": {
    "h": 233.276,
    "s": 46.032,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48356,
    "c": 0.1617,
    "h": 273.3
  },
  "luminance": 0.10574
}

Semantic roles & 50–950 ramp

primary

#4451B8

secondary

#C7C191

accent

#C752D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4451B8

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

Preview Lab → · Contrast checker → · Palette generator →