#4550BF#4550BF

#4550BF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.8% C 0.172 H 273.8°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4550BF
RGB	rgb(69, 80, 191)
HSL	hsl(235, 49%, 51%)
HSV	hsv(235, 64%, 75%)
CMYK	cmyk(63.9%, 58.1%, 0%, 25.1%)
CIE-LAB	lab(39.18, 30.70, -59.76)
CIE-LCH	lch(39.18, 67.18, 297.19°)
OKLab	oklab(48.78% 0.0115 -0.1719)
OKLCH	oklch(48.78% 0.172 273.8)
XYZ	xyz(14.7238, 10.7629, 50.5816)
Luminance	0.1076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4550BF #BFB445

analogous

#458DBF #4550BF #7745BF

triadic

#4550BF #BF4550 #50BF45

tetradic

#4550BF #BF458D #BFB445 #45BF77

square

#4550BF #BF458D #BFB445 #45BF77

split-complementary

#4550BF #BF7745 #8DBF45

monochromatic

#232966 #333C94 #4550BF #737BCF #A0A6DE

Accessibility & contrast

On white

6.66

#4550BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4550BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4550BF

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4550BF	#FFFFFF	#000000	##FFFFFF
##4550BF	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4550bf;
/* rgb */ color: rgb(69, 80, 191);
/* oklch */ color: oklch(48.8% 0.172 273.8);

Tailwind

colors: {
  custom: {
    50: '#8681d3',
    500: '#4550bf',
    950: '#000000',
  },
}

SCSS

$custom: #4550bf;
$custom-light: #8681d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4550bf",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 191
  },
  "hsl": {
    "h": 234.59,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.48779,
    "c": 0.1723,
    "h": 273.8
  },
  "luminance": 0.10764
}

Semantic roles & 50–950 ramp

primary

#4550BF

secondary

#CBC695

accent

#CC4FD8

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4550BF

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

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