#555EA9#555EA9

#555EA9 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 51.1% C 0.118 H 276.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#555EA9
RGB	rgb(85, 94, 169)
HSL	hsl(234, 33%, 50%)
HSV	hsv(234, 50%, 66%)
CMYK	cmyk(49.7%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(42.46, 17.66, -41.50)
CIE-LCH	lch(42.46, 45.10, 293.05°)
OKLab	oklab(51.07% 0.0128 -0.1177)
OKLCH	oklch(51.07% 0.118 276.2)
XYZ	xyz(14.9082, 12.8004, 39.2136)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EA9 #A9A055

analogous

#5588A9 #555EA9 #7655A9

triadic

#555EA9 #A9555E #5EA955

tetradic

#555EA9 #A95588 #A9A055 #55A976

square

#555EA9 #A95588 #A9A055 #55A976

split-complementary

#555EA9 #A97655 #88A955

monochromatic

#2C3158 #414780 #555EA9 #7D84BE #A6ABD2

Accessibility & contrast

On white

5.90

#555EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#555EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EA9

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EA9	#FFFFFF	#000000	##FFFFFF
##555EA9	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F68AC

Deuteranopia (green-blind)

#3861A7

Tritanopia (blue-blind)

#346E7B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555ea9;
/* rgb */ color: rgb(85, 94, 169);
/* oklch */ color: oklch(51.1% 0.118 276.2);

Tailwind

colors: {
  custom: {
    50: '#8a8bc3',
    500: '#555ea9',
    950: '#000000',
  },
}

SCSS

$custom: #555ea9;
$custom-light: #8a8bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#555ea9",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 233.571,
    "s": 33.071,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51067,
    "c": 0.11839,
    "h": 276.2
  },
  "luminance": 0.12801
}

Semantic roles & 50–950 ramp

primary

#555EA9

secondary

#C0BC9A

accent

#BE5FC9

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555EA9

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

Preview Lab → · Contrast checker → · Palette generator →