#555DA7#555DA7

#555DA7 is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.7% C 0.117 H 276.7°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#555DA7
RGB	rgb(85, 93, 167)
HSL	hsl(234, 33%, 49%)
HSV	hsv(234, 49%, 65%)
CMYK	cmyk(49.1%, 44.3%, 0%, 34.5%)
CIE-LAB	lab(42.08, 17.66, -40.93)
CIE-LCH	lch(42.08, 44.58, 293.33°)
OKLab	oklab(50.74% 0.0137 -0.116)
OKLCH	oklch(50.74% 0.117 276.7)
XYZ	xyz(14.6335, 12.5492, 38.2029)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DA7 #A79F55

analogous

#5586A7 #555DA7 #7655A7

triadic

#555DA7 #A7555D #5DA755

tetradic

#555DA7 #A75586 #A79F55 #55A776

square

#555DA7 #A75586 #A79F55 #55A776

split-complementary

#555DA7 #A77655 #86A755

monochromatic

#2C3056 #40467E #555DA7 #7D83BD #A5A9D1

Accessibility & contrast

On white

5.98

#555DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#555DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DA7

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DA7	#FFFFFF	#000000	##FFFFFF
##555DA7	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F67AA

Deuteranopia (green-blind)

#3860A5

Tritanopia (blue-blind)

#366D7A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #555da7;
/* rgb */ color: rgb(85, 93, 167);
/* oklch */ color: oklch(50.7% 0.117 276.7);

Tailwind

colors: {
  custom: {
    50: '#8a8ac1',
    500: '#555da7',
    950: '#000000',
  },
}

SCSS

$custom: #555da7;
$custom-light: #8a8ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#555da7",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 167
  },
  "hsl": {
    "h": 234.146,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50736,
    "c": 0.11685,
    "h": 276.7
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#555DA7

secondary

#BFBB99

accent

#BE5FC9

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #555DA7

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

Preview Lab → · Contrast checker → · Palette generator →