#558DEF#558DEF

#558DEF is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.158 H 260.8°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#558DEF
RGB	rgb(85, 141, 239)
HSL	hsl(218, 83%, 64%)
HSV	hsv(218, 64%, 94%)
CMYK	cmyk(64.4%, 41%, 0%, 6.3%)
CIE-LAB	lab(59.17, 12.01, -54.83)
CIE-LCH	lch(59.17, 56.12, 282.35°)
OKLab	oklab(65.17% -0.0253 -0.1563)
OKLCH	oklch(65.17% 0.158 260.8)
XYZ	xyz(28.8457, 27.2103, 85.3766)
Luminance	0.2721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DEF #EFB755

analogous

#55DAEF #558DEF #6A55EF

triadic

#558DEF #EF558D #8DEF55

tetradic

#558DEF #EF55DA #EFB755 #55EF6A

square

#558DEF #EF55DA #EFB755 #55EF6A

split-complementary

#558DEF #EF6A55 #DAEF55

monochromatic

#114EB8 #1D67EA #558DEF #8DB3F4 #C5D8FA

Accessibility & contrast

On white

3.26

#558DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.44

#558DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DEF

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DEF	#FFFFFF	#000000	##000000
##558DEF	1.00	3.26	6.44	6.44
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.44	21.00	1.00	1.00
##000000	6.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6096F3

Deuteranopia (green-blind)

#4988ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558def;
/* rgb */ color: rgb(85, 141, 239);
/* oklch */ color: oklch(65.2% 0.158 260.8);

Tailwind

colors: {
  custom: {
    50: '#93adf5',
    500: '#558def',
    950: '#000000',
  },
}

SCSS

$custom: #558def;
$custom-light: #93adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#558def",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 218.182,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65173,
    "c": 0.15832,
    "h": 260.8
  },
  "luminance": 0.27213
}

Semantic roles & 50–950 ramp

primary

#558DEF

secondary

#EBD7B5

accent

#9006DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558DEF

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

Preview Lab → · Contrast checker → · Palette generator →