#555DB2#555DB2

#555DB2 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.133 H 276.6°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#555DB2
RGB	rgb(85, 93, 178)
HSL	hsl(235, 38%, 52%)
HSV	hsv(235, 52%, 70%)
CMYK	cmyk(52.2%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(42.72, 21.19, -46.38)
CIE-LCH	lch(42.72, 50.99, 294.55°)
OKLab	oklab(51.44% 0.0153 -0.132)
OKLCH	oklch(51.44% 0.133 276.6)
XYZ	xyz(15.6940, 12.9734, 43.7880)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DB2 #B2AA55

analogous

#558CB2 #555DB2 #7C55B2

triadic

#555DB2 #B2555D #5DB255

tetradic

#555DB2 #B2558C #B2AA55 #55B27C

square

#555DB2 #B2558C #B2AA55 #55B27C

split-complementary

#555DB2 #B27C55 #8CB255

monochromatic

#2C3061 #3F458B #555DB2 #7F85C5 #A9ADD8

Accessibility & contrast

On white

5.84

#555DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#555DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DB2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DB2	#FFFFFF	#000000	##FFFFFF
##555DB2	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3769B5

Deuteranopia (green-blind)

#2D61B0

Tritanopia (blue-blind)

#2D6F7F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #555db2;
/* rgb */ color: rgb(85, 93, 178);
/* oklch */ color: oklch(51.4% 0.133 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ac9',
    500: '#555db2',
    950: '#000000',
  },
}

SCSS

$custom: #555db2;
$custom-light: #8b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#555db2",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 234.839,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51437,
    "c": 0.1329,
    "h": 276.6
  },
  "luminance": 0.12974
}

Semantic roles & 50–950 ramp

primary

#555DB2

secondary

#C6C29D

accent

#C45ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #555DB2

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

Preview Lab → · Contrast checker → · Palette generator →