#558DDF#558DDF

#558DDF is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.2% C 0.137 H 257.9°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#558DDF
RGB	rgb(85, 141, 223)
HSL	hsl(216, 68%, 60%)
HSV	hsv(216, 62%, 87%)
CMYK	cmyk(61.9%, 36.8%, 0%, 12.5%)
CIE-LAB	lab(58.33, 6.62, -47.27)
CIE-LCH	lch(58.33, 47.74, 277.97°)
OKLab	oklab(64.25% -0.0288 -0.1341)
OKLCH	oklch(64.25% 0.137 257.9)
XYZ	xyz(26.5857, 26.3063, 73.4743)
Luminance	0.2631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558DDF #DFA755

analogous

#55D2DF #558DDF #6255DF

triadic

#558DDF #DF558D #8DDF55

tetradic

#558DDF #DF55D2 #DFA755 #55DF62

square

#558DDF #DF55D2 #DFA755 #55DF62

split-complementary

#558DDF #DF6255 #D2DF55

monochromatic

#1D519C #276CD0 #558DDF #89B0E9 #BCD2F2

Accessibility & contrast

On white

3.35

#558DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#558DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558DDF

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558DDF	#FFFFFF	#000000	##000000
##558DDF	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A93E2

Deuteranopia (green-blind)

#5786DD

Tritanopia (blue-blind)

#00A0AB

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558ddf;
/* rgb */ color: rgb(85, 141, 223);
/* oklch */ color: oklch(64.2% 0.137 257.9);

Tailwind

colors: {
  custom: {
    50: '#91ade9',
    500: '#558ddf',
    950: '#000000',
  },
}

SCSS

$custom: #558ddf;
$custom-light: #91ade9;
$custom-dark: #000000;

JSON

{
  "hex": "#558ddf",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 223
  },
  "hsl": {
    "h": 215.652,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64246,
    "c": 0.13721,
    "h": 257.9
  },
  "luminance": 0.26309
}

Semantic roles & 50–950 ramp

primary

#558DDF

secondary

#E2CDAE

accent

#8415D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558DDF

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

Preview Lab → · Contrast checker → · Palette generator →