#558FE3#558FE3

#558FE3 is a light, vivid blue. Relative luminance 0.271; OKLCH L 64.9% C 0.140 H 257.7°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#558FE3
RGB	rgb(85, 143, 227)
HSL	hsl(215, 72%, 61%)
HSV	hsv(215, 63%, 89%)
CMYK	cmyk(62.6%, 37%, 0%, 11%)
CIE-LAB	lab(59.09, 6.77, -48.30)
CIE-LCH	lch(59.09, 48.77, 277.98°)
OKLab	oklab(64.9% -0.0299 -0.1371)
OKLCH	oklch(64.9% 0.14 257.7)
XYZ	xyz(27.4290, 27.1197, 76.4473)
Luminance	0.2712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FE3 #E3A955

analogous

#55D6E3 #558FE3 #6255E3

triadic

#558FE3 #E3558F #8FE355

tetradic

#558FE3 #E355D6 #E3A955 #55E362

square

#558FE3 #E355D6 #E3A955 #55E362

split-complementary

#558FE3 #E36255 #D6E355

monochromatic

#1B52A3 #236DD7 #558FE3 #8AB2EC #BED4F4

Accessibility & contrast

On white

3.27

#558FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#558FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FE3

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FE3	#FFFFFF	#000000	##000000
##558FE3	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B95E6

Deuteranopia (green-blind)

#5788E1

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558fe3;
/* rgb */ color: rgb(85, 143, 227);
/* oklch */ color: oklch(64.9% 0.140 257.7);

Tailwind

colors: {
  custom: {
    50: '#91afec',
    500: '#558fe3',
    950: '#000000',
  },
}

SCSS

$custom: #558fe3;
$custom-light: #91afec;
$custom-dark: #000000;

JSON

{
  "hex": "#558fe3",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 227
  },
  "hsl": {
    "h": 215.493,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64902,
    "c": 0.14036,
    "h": 257.7
  },
  "luminance": 0.27122
}

Semantic roles & 50–950 ramp

primary

#558FE3

secondary

#E5CFAF

accent

#8512D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558FE3

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

Preview Lab → · Contrast checker → · Palette generator →