#558CDA#558CDA

#558CDA is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.7% C 0.132 H 257.3°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#558CDA
RGB	rgb(85, 140, 218)
HSL	hsl(215, 64%, 59%)
HSV	hsv(215, 61%, 85%)
CMYK	cmyk(61%, 35.8%, 0%, 14.5%)
CIE-LAB	lab(57.80, 5.55, -45.32)
CIE-LCH	lch(57.80, 45.66, 276.98°)
OKLab	oklab(63.75% -0.029 -0.1284)
OKLCH	oklch(63.75% 0.132 257.3)
XYZ	xyz(25.7748, 25.7471, 69.9275)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CDA #DAA355

analogous

#55CFDA #558CDA #6155DA

triadic

#558CDA #DA558C #8CDA55

tetradic

#558CDA #DA55CF #DAA355 #55DA61

square

#558CDA #DA55CF #DAA355 #55DA61

split-complementary

#558CDA #DA6155 #CFDA55

monochromatic

#205094 #2B6BC7 #558CDA #87AEE5 #BAD0F0

Accessibility & contrast

On white

3.41

#558CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#558CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CDA

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CDA	#FFFFFF	#000000	##000000
##558CDA	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DD

Deuteranopia (green-blind)

#5985D8

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #558cda;
/* rgb */ color: rgb(85, 140, 218);
/* oklch */ color: oklch(63.7% 0.132 257.3);

Tailwind

colors: {
  custom: {
    50: '#90ade6',
    500: '#558cda',
    950: '#000000',
  },
}

SCSS

$custom: #558cda;
$custom-light: #90ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#558cda",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 215.188,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.6375,
    "c": 0.13168,
    "h": 257.3
  },
  "luminance": 0.25749
}

Semantic roles & 50–950 ramp

primary

#558CDA

secondary

#DFCAAB

accent

#A241E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558CDA

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

Preview Lab → · Contrast checker → · Palette generator →