#555BAF#555BAF

#555BAF is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.131 H 277.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#555BAF
RGB	rgb(85, 91, 175)
HSL	hsl(236, 36%, 51%)
HSV	hsv(236, 51%, 69%)
CMYK	cmyk(51.4%, 48%, 0%, 31.4%)
CIE-LAB	lab(42.01, 21.48, -45.75)
CIE-LCH	lch(42.01, 50.55, 295.15°)
OKLab	oklab(50.84% 0.0173 -0.1302)
OKLCH	oklch(50.84% 0.131 277.6)
XYZ	xyz(15.2228, 12.5077, 42.1612)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BAF #AFA955

analogous

#5588AF #555BAF #7C55AF

triadic

#555BAF #AF555B #5BAF55

tetradic

#555BAF #AF5588 #AFA955 #55AF7C

square

#555BAF #AF5588 #AFA955 #55AF7C

split-complementary

#555BAF #AF7C55 #88AF55

monochromatic

#2C2F5E #404487 #555BAF #7F83C3 #A8ABD6

Accessibility & contrast

On white

6.00

#555BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#555BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BAF

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BAF	#FFFFFF	#000000	##FFFFFF
##555BAF	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3567B2

Deuteranopia (green-blind)

#2C60AD

Tritanopia (blue-blind)

#306D7C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #555baf;
/* rgb */ color: rgb(85, 91, 175);
/* oklch */ color: oklch(50.8% 0.131 277.6);

Tailwind

colors: {
  custom: {
    50: '#8b89c7',
    500: '#555baf',
    950: '#000000',
  },
}

SCSS

$custom: #555baf;
$custom-light: #8b89c7;
$custom-dark: #000000;

JSON

{
  "hex": "#555baf",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 175
  },
  "hsl": {
    "h": 236,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5084,
    "c": 0.13134,
    "h": 277.6
  },
  "luminance": 0.12509
}

Semantic roles & 50–950 ramp

primary

#555BAF

secondary

#C4C19C

accent

#C55CCC

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #555BAF

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

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