#558CEB#558CEB

#558CEB is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.7% C 0.154 H 260.6°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#558CEB
RGB	rgb(85, 140, 235)
HSL	hsl(218, 79%, 63%)
HSV	hsv(218, 64%, 92%)
CMYK	cmyk(63.8%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(58.68, 11.25, -53.39)
CIE-LCH	lch(58.68, 54.56, 281.90°)
OKLab	oklab(64.72% -0.0252 -0.1521)
OKLCH	oklch(64.72% 0.154 260.6)
XYZ	xyz(28.1145, 26.6830, 82.2499)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558CEB #EBB455

analogous

#55D7EB #558CEB #6955EB

triadic

#558CEB #EB558C #8CEB55

tetradic

#558CEB #EB55D7 #EBB455 #55EB69

square

#558CEB #EB55D7 #EBB455 #55EB69

split-complementary

#558CEB #EB6955 #D7EB55

monochromatic

#154EB1 #1E67E5 #558CEB #8CB1F1 #C3D6F8

Accessibility & contrast

On white

3.31

#558CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#558CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558CEB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558CEB	#FFFFFF	#000000	##000000
##558CEB	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6195EF

Deuteranopia (green-blind)

#4B87E9

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #558ceb;
/* rgb */ color: rgb(85, 140, 235);
/* oklch */ color: oklch(64.7% 0.154 260.6);

Tailwind

colors: {
  custom: {
    50: '#92adf2',
    500: '#558ceb',
    950: '#000000',
  },
}

SCSS

$custom: #558ceb;
$custom-light: #92adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#558ceb",
  "rgb": {
    "r": 85,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 218,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64724,
    "c": 0.15414,
    "h": 260.6
  },
  "luminance": 0.26686
}

Semantic roles & 50–950 ramp

primary

#558CEB

secondary

#E9D5B3

accent

#8F0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #558CEB

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

Preview Lab → · Contrast checker → · Palette generator →