#555EA4#555EA4

#555EA4 is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.8% C 0.111 H 276.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#555EA4
RGB	rgb(85, 94, 164)
HSL	hsl(233, 32%, 49%)
HSV	hsv(233, 48%, 64%)
CMYK	cmyk(48.2%, 42.7%, 0%, 35.7%)
CIE-LAB	lab(42.18, 16.07, -38.99)
CIE-LCH	lch(42.18, 42.17, 292.40°)
OKLab	oklab(50.76% 0.0119 -0.1103)
OKLCH	oklch(50.76% 0.111 276.2)
XYZ	xyz(14.4478, 12.6162, 36.7886)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EA4 #A49B55

analogous

#5586A4 #555EA4 #7455A4

triadic

#555EA4 #A4555E #5EA455

tetradic

#555EA4 #A45586 #A49B55 #55A474

square

#555EA4 #A45586 #A49B55 #55A474

split-complementary

#555EA4 #A47455 #86A455

monochromatic

#2B3053 #40477C #555EA4 #7B83BB #A4A9D0

Accessibility & contrast

On white

5.96

#555EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#555EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EA4

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EA4	#FFFFFF	#000000	##FFFFFF
##555EA4	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4367A7

Deuteranopia (green-blind)

#3C61A2

Tritanopia (blue-blind)

#386D79

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #555ea4;
/* rgb */ color: rgb(85, 94, 164);
/* oklch */ color: oklch(50.8% 0.111 276.2);

Tailwind

colors: {
  custom: {
    50: '#898bbf',
    500: '#555ea4',
    950: '#000000',
  },
}

SCSS

$custom: #555ea4;
$custom-light: #898bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#555ea4",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 164
  },
  "hsl": {
    "h": 233.165,
    "s": 31.727,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5076,
    "c": 0.11099,
    "h": 276.2
  },
  "luminance": 0.12617
}

Semantic roles & 50–950 ramp

primary

#555EA4

secondary

#BDB998

accent

#BC60C8

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #555EA4

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

Preview Lab → · Contrast checker → · Palette generator →