#558BE9#558BE9

#558BE9 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.4% C 0.153 H 260.7°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#558BE9
RGB	rgb(85, 139, 233)
HSL	hsl(218, 77%, 62%)
HSV	hsv(218, 64%, 91%)
CMYK	cmyk(63.5%, 40.3%, 0%, 8.6%)
CIE-LAB	lab(58.30, 11.17, -52.88)
CIE-LCH	lch(58.30, 54.05, 281.93°)
OKLab	oklab(64.4% -0.0246 -0.1506)
OKLCH	oklch(64.4% 0.153 260.7)
XYZ	xyz(27.6817, 26.2771, 80.6882)
Luminance	0.2628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558BE9 #E9B355

analogous

#55D5E9 #558BE9 #6955E9

triadic

#558BE9 #E9558B #8BE955

tetradic

#558BE9 #E955D5 #E9B355 #55E969

square

#558BE9 #E955D5 #E9B355 #55E969

split-complementary

#558BE9 #E96955 #D5E955

monochromatic

#164DAD #1F66E2 #558BE9 #8BB0F0 #C1D5F7

Accessibility & contrast

On white

3.36

#558BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#558BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558BE9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558BE9	#FFFFFF	#000000	##000000
##558BE9	1.00	3.36	6.26	6.26
#FFFFFF	3.36	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)

#6194ED

Deuteranopia (green-blind)

#4B86E7

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #558be9;
/* rgb */ color: rgb(85, 139, 233);
/* oklch */ color: oklch(64.4% 0.153 260.7);

Tailwind

colors: {
  custom: {
    50: '#92acf0',
    500: '#558be9',
    950: '#000000',
  },
}

SCSS

$custom: #558be9;
$custom-light: #92acf0;
$custom-dark: #000000;

JSON

{
  "hex": "#558be9",
  "rgb": {
    "r": 85,
    "g": 139,
    "b": 233
  },
  "hsl": {
    "h": 218.108,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64395,
    "c": 0.1526,
    "h": 260.7
  },
  "luminance": 0.2628
}

Semantic roles & 50–950 ramp

primary

#558BE9

secondary

#E8D4B2

accent

#8E0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558BE9

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

Preview Lab → · Contrast checker → · Palette generator →