#558FE1#558FE1

#558FE1 is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.8% C 0.138 H 257.3°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#558FE1
RGB	rgb(85, 143, 225)
HSL	hsl(215, 70%, 61%)
HSV	hsv(215, 62%, 88%)
CMYK	cmyk(62.2%, 36.4%, 0%, 11.8%)
CIE-LAB	lab(58.98, 6.11, -47.35)
CIE-LCH	lch(58.98, 47.74, 277.35°)
OKLab	oklab(64.79% -0.0304 -0.1343)
OKLCH	oklch(64.79% 0.138 257.3)
XYZ	xyz(27.1545, 27.0099, 75.0020)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558FE1 #E1A755

analogous

#55D5E1 #558FE1 #6155E1

triadic

#558FE1 #E1558F #8FE155

tetradic

#558FE1 #E155D5 #E1A755 #55E161

square

#558FE1 #E155D5 #E1A755 #55E161

split-complementary

#558FE1 #E16155 #D5E155

monochromatic

#1C539F #256DD3 #558FE1 #89B1EA #BDD4F3

Accessibility & contrast

On white

3.28

#558FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#558FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558FE1

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558FE1	#FFFFFF	#000000	##000000
##558FE1	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C95E4

Deuteranopia (green-blind)

#5888DF

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #558fe1;
/* rgb */ color: rgb(85, 143, 225);
/* oklch */ color: oklch(64.8% 0.138 257.3);

Tailwind

colors: {
  custom: {
    50: '#91afeb',
    500: '#558fe1',
    950: '#000000',
  },
}

SCSS

$custom: #558fe1;
$custom-light: #91afeb;
$custom-dark: #000000;

JSON

{
  "hex": "#558fe1",
  "rgb": {
    "r": 85,
    "g": 143,
    "b": 225
  },
  "hsl": {
    "h": 215.143,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.6479,
    "c": 0.13774,
    "h": 257.3
  },
  "luminance": 0.27012
}

Semantic roles & 50–950 ramp

primary

#558FE1

secondary

#E3CDAE

accent

#8314D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #558FE1

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

Preview Lab → · Contrast checker → · Palette generator →