#4550B3#4550B3

#4550B3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.156 H 274.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#4550B3
RGB	rgb(69, 80, 179)
HSL	hsl(234, 44%, 49%)
HSV	hsv(234, 61%, 70%)
CMYK	cmyk(61.5%, 55.3%, 0%, 29.8%)
CIE-LAB	lab(38.30, 26.55, -54.14)
CIE-LCH	lch(38.30, 60.31, 296.13°)
OKLab	oklab(47.85% 0.0113 -0.1554)
OKLCH	oklch(47.85% 0.156 274.1)
XYZ	xyz(13.4569, 10.2561, 43.9096)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4550B3 #B3A845

analogous

#4587B3 #4550B3 #7145B3

triadic

#4550B3 #B34550 #50B345

tetradic

#4550B3 #B34587 #B3A845 #45B371

square

#4550B3 #B34587 #B3A845 #45B371

split-complementary

#4550B3 #B37145 #87B345

monochromatic

#23295B #343C87 #4550B3 #6E77C7 #9AA0D8

Accessibility & contrast

On white

6.88

#4550B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#4550B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4550B3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4550B3	#FFFFFF	#000000	##FFFFFF
##4550B3	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045FB6

Deuteranopia (green-blind)

#0056B1

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4550b3;
/* rgb */ color: rgb(69, 80, 179);
/* oklch */ color: oklch(47.8% 0.156 274.1);

Tailwind

colors: {
  custom: {
    50: '#8381ca',
    500: '#4550b3',
    950: '#000000',
  },
}

SCSS

$custom: #4550b3;
$custom-light: #8381ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4550b3",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 179
  },
  "hsl": {
    "h": 234,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47845,
    "c": 0.1558,
    "h": 274.1
  },
  "luminance": 0.10257
}

Semantic roles & 50–950 ramp

primary

#4550B3

secondary

#C4BF8F

accent

#C754D4

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4550B3

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

Preview Lab → · Contrast checker → · Palette generator →