#555BA6#555BA6

#555BA6 is a mid, moderate blue. Relative luminance 0.122; OKLCH L 50.3% C 0.118 H 277.8°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#555BA6
RGB	rgb(85, 91, 166)
HSL	hsl(236, 32%, 49%)
HSV	hsv(236, 49%, 65%)
CMYK	cmyk(48.8%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(41.48, 18.60, -41.29)
CIE-LCH	lch(41.48, 45.29, 294.25°)
OKLab	oklab(50.26% 0.016 -0.1171)
OKLCH	oklch(50.26% 0.118 277.8)
XYZ	xyz(14.3682, 12.1658, 37.6601)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BA6 #A6A055

analogous

#5584A6 #555BA6 #7855A6

triadic

#555BA6 #A6555B #5BA655

tetradic

#555BA6 #A65584 #A6A055 #55A678

square

#555BA6 #A65584 #A6A055 #55A678

split-complementary

#555BA6 #A67855 #84A655

monochromatic

#2C2F55 #40457E #555BA6 #7C81BC #A5A8D1

Accessibility & contrast

On white

6.12

#555BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#555BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BA6

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BA6	#FFFFFF	#000000	##FFFFFF
##555BA6	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A9

Deuteranopia (green-blind)

#365FA4

Tritanopia (blue-blind)

#376B78

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #555ba6;
/* rgb */ color: rgb(85, 91, 166);
/* oklch */ color: oklch(50.3% 0.118 277.8);

Tailwind

colors: {
  custom: {
    50: '#8a89c1',
    500: '#555ba6',
    950: '#000000',
  },
}

SCSS

$custom: #555ba6;
$custom-light: #8a89c1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ba6",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 235.556,
    "s": 32.271,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50263,
    "c": 0.1182,
    "h": 277.8
  },
  "luminance": 0.12167
}

Semantic roles & 50–950 ramp

primary

#555BA6

secondary

#BEBB99

accent

#C15FC8

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #555BA6

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

Preview Lab → · Contrast checker → · Palette generator →