#555EBA#555EBA

#555EBA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.143 H 276.1°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#555EBA
RGB	rgb(85, 94, 186)
HSL	hsl(235, 42%, 53%)
HSV	hsv(235, 54%, 73%)
CMYK	cmyk(54.3%, 49.5%, 0%, 27.1%)
CIE-LAB	lab(43.48, 23.16, -49.85)
CIE-LCH	lch(43.48, 54.96, 294.92°)
OKLab	oklab(52.17% 0.0151 -0.1422)
OKLCH	oklch(52.17% 0.143 276.1)
XYZ	xyz(16.6091, 13.4808, 48.1717)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EBA #BAB155

analogous

#5591BA #555EBA #7E55BA

triadic

#555EBA #BA555E #5EBA55

tetradic

#555EBA #BA5591 #BAB155 #55BA7E

square

#555EBA #BA5591 #BAB155 #55BA7E

split-complementary

#555EBA #BA7E55 #91BA55

monochromatic

#2B306A #3D4495 #555EBA #8187CC #ACB0DD

Accessibility & contrast

On white

5.68

#555EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#555EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EBA

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EBA	#FFFFFF	#000000	##FFFFFF
##555EBA	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316BBD

Deuteranopia (green-blind)

#2463B8

Tritanopia (blue-blind)

#247283

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555eba;
/* rgb */ color: rgb(85, 94, 186);
/* oklch */ color: oklch(52.2% 0.143 276.1);

Tailwind

colors: {
  custom: {
    50: '#8c8bcf',
    500: '#555eba',
    950: '#000000',
  },
}

SCSS

$custom: #555eba;
$custom-light: #8c8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#555eba",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 186
  },
  "hsl": {
    "h": 234.653,
    "s": 42.259,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52168,
    "c": 0.143,
    "h": 276.1
  },
  "luminance": 0.13482
}

Semantic roles & 50–950 ramp

primary

#555EBA

secondary

#CBC7A0

accent

#C756D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #555EBA

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

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