#4451BF#4451BF

#4451BF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.171 H 273.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#4451BF
RGB	rgb(68, 81, 191)
HSL	hsl(234, 49%, 51%)
HSV	hsv(234, 64%, 75%)
CMYK	cmyk(64.4%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(39.37, 29.90, -59.46)
CIE-LCH	lch(39.37, 66.55, 296.70°)
OKLab	oklab(48.9% 0.0096 -0.171)
OKLCH	oklch(48.9% 0.171 273.2)
XYZ	xyz(14.7272, 10.8741, 50.6029)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451BF #BFB244

analogous

#448EBF #4451BF #7544BF

triadic

#4451BF #BF4451 #51BF44

tetradic

#4451BF #BF448E #BFB244 #44BF75

square

#4451BF #BF448E #BFB244 #44BF75

split-complementary

#4451BF #BF7544 #8EBF44

monochromatic

#232A66 #323D93 #4451BF #727BCF #9FA6DE

Accessibility & contrast

On white

6.61

#4451BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4451BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451BF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451BF	#FFFFFF	#000000	##FFFFFF
##4451BF	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4451bf;
/* rgb */ color: rgb(68, 81, 191);
/* oklch */ color: oklch(48.9% 0.171 273.2);

Tailwind

colors: {
  custom: {
    50: '#8581d3',
    500: '#4451bf',
    950: '#000000',
  },
}

SCSS

$custom: #4451bf;
$custom-light: #8581d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4451bf",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 233.659,
    "s": 49.004,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48903,
    "c": 0.1713,
    "h": 273.2
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary

#4451BF

secondary

#CBC594

accent

#CA4FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4451BF

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

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