#5555BF#5555BF

#5555BF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.8% C 0.162 H 278.9°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#5555BF
RGB	rgb(85, 85, 191)
HSL	hsl(240, 45%, 54%)
HSV	hsv(240, 55%, 75%)
CMYK	cmyk(55.5%, 55.5%, 0%, 25.1%)
CIE-LAB	lab(41.51, 30.43, -55.92)
CIE-LCH	lch(41.51, 63.67, 298.55°)
OKLab	oklab(50.8% 0.0252 -0.1602)
OKLCH	oklch(50.8% 0.162 278.9)
XYZ	xyz(16.3958, 12.1888, 50.7688)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5555BF #BFBF55

analogous

#558ABF #5555BF #8A55BF

triadic

#5555BF #BF5555 #55BF55

tetradic

#5555BF #BF558A #BFBF55 #55BF8A

square

#5555BF #BF558A #BFBF55 #55BF8A

split-complementary

#5555BF #BF8A55 #8ABF55

monochromatic

#2A2A70 #3B3B9C #5555BF #8181D0 #AEAEE0

Accessibility & contrast

On white

6.11

#5555BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#5555BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5555BF

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5555BF	#FFFFFF	#000000	##FFFFFF
##5555BF	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0966C3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#1F6D82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5555bf;
/* rgb */ color: rgb(85, 85, 191);
/* oklch */ color: oklch(50.8% 0.162 278.9);

Tailwind

colors: {
  custom: {
    50: '#8e85d3',
    500: '#5555bf',
    950: '#000000',
  },
}

SCSS

$custom: #5555bf;
$custom-light: #8e85d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5555bf",
  "rgb": {
    "r": 85,
    "g": 85,
    "b": 191
  },
  "hsl": {
    "h": 240,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.508,
    "c": 0.16213,
    "h": 278.9
  },
  "luminance": 0.1219
}

Semantic roles & 50–950 ramp

primary

#5555BF

secondary

#CECEA1

accent

#D553D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5555BF

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

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