#555DDB#555DDB

#555DDB is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.4% C 0.190 H 275.4°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#555DDB
RGB	rgb(85, 93, 219)
HSL	hsl(236, 65%, 60%)
HSV	hsv(236, 61%, 86%)
CMYK	cmyk(61.2%, 57.5%, 0%, 14.1%)
CIE-LAB	lab(45.46, 34.66, -65.66)
CIE-LCH	lch(45.46, 74.24, 297.83°)
OKLab	oklab(54.36% 0.0178 -0.1887)
OKLCH	oklch(54.36% 0.19 275.4)
XYZ	xyz(20.4427, 14.8728, 68.7976)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DDB #DBD355

analogous

#55A0DB #555DDB #9055DB

triadic

#555DDB #DB555D #5DDB55

tetradic

#555DDB #DB55A0 #DBD355 #55DB90

square

#555DDB #DB55A0 #DBD355 #55DB90

split-complementary

#555DDB #DB9055 #A0DB55

monochromatic

#202796 #2A34C8 #555DDB #888DE6 #BABDF0

Accessibility & contrast

On white

5.28

#555DDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#555DDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DDB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DDB	#FFFFFF	#000000	##FFFFFF
##555DDB	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DF

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#007B93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ddb;
/* rgb */ color: rgb(85, 93, 219);
/* oklch */ color: oklch(54.4% 0.190 275.4);

Tailwind

colors: {
  custom: {
    50: '#928be7',
    500: '#555ddb',
    950: '#000000',
  },
}

SCSS

$custom: #555ddb;
$custom-light: #928be7;
$custom-dark: #000000;

JSON

{
  "hex": "#555ddb",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 219
  },
  "hsl": {
    "h": 236.418,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.54361,
    "c": 0.18955,
    "h": 275.4
  },
  "luminance": 0.14874
}

Semantic roles & 50–950 ramp

primary

#555DDB

secondary

#E0DDAC

accent

#DE40E8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555DDB

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

Preview Lab → · Contrast checker → · Palette generator →