#4551BE#4551BE

#4551BE is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.170 H 273.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4551BE
RGB	rgb(69, 81, 190)
HSL	hsl(234, 48%, 51%)
HSV	hsv(234, 64%, 75%)
CMYK	cmyk(63.7%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(39.35, 29.72, -58.89)
CIE-LCH	lch(39.35, 65.96, 296.78°)
OKLab	oklab(48.89% 0.0106 -0.1693)
OKLCH	oklch(48.89% 0.17 273.6)
XYZ	xyz(14.6879, 10.8665, 50.0286)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551BE #BEB245

analogous

#458DBE #4551BE #7545BE

triadic

#4551BE #BE4551 #51BE45

tetradic

#4551BE #BE458D #BEB245 #45BE75

square

#4551BE #BE458D #BEB245 #45BE75

split-complementary

#4551BE #BE7545 #8DBE45

monochromatic

#232A65 #333D93 #4551BE #727BCE #A0A6DE

Accessibility & contrast

On white

6.62

#4551BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4551BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551BE

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551BE	#FFFFFF	#000000	##FFFFFF
##4551BE	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4551be;
/* rgb */ color: rgb(69, 81, 190);
/* oklch */ color: oklch(48.9% 0.170 273.6);

Tailwind

colors: {
  custom: {
    50: '#8581d2',
    500: '#4551be',
    950: '#000000',
  },
}

SCSS

$custom: #4551be;
$custom-light: #8581d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4551be",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 234.05,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48887,
    "c": 0.16967,
    "h": 273.6
  },
  "luminance": 0.10868
}

Semantic roles & 50–950 ramp

primary

#4551BE

secondary

#CAC595

accent

#CA50D8

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4551BE

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

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