#578FDF#578FDF

#578FDF is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.8% C 0.134 H 257.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#578FDF
RGB	rgb(87, 143, 223)
HSL	hsl(215, 68%, 61%)
HSV	hsv(215, 61%, 87%)
CMYK	cmyk(61%, 35.9%, 0%, 12.5%)
CIE-LAB	lab(58.97, 5.81, -46.25)
CIE-LCH	lch(58.97, 46.61, 277.16°)
OKLab	oklab(64.77% -0.0292 -0.1311)
OKLCH	oklch(64.77% 0.134 257.4)
XYZ	xyz(27.0675, 26.9964, 73.5821)
Luminance	0.2700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FDF #DFA757

analogous

#57D3DF #578FDF #6357DF

triadic

#578FDF #DF578F #8FDF57

tetradic

#578FDF #DF57D3 #DFA757 #57DF63

square

#578FDF #DF57D3 #DFA757 #57DF63

split-complementary

#578FDF #DF6357 #D3DF57

monochromatic

#1E539E #286DD1 #578FDF #8AB1E9 #BED4F3

Accessibility & contrast

On white

3.28

#578FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#578FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FDF

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FDF	#FFFFFF	#000000	##000000
##578FDF	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)

#6D95E2

Deuteranopia (green-blind)

#5A88DD

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #578fdf;
/* rgb */ color: rgb(87, 143, 223);
/* oklch */ color: oklch(64.8% 0.134 257.4);

Tailwind

colors: {
  custom: {
    50: '#92afe9',
    500: '#578fdf',
    950: '#000000',
  },
}

SCSS

$custom: #578fdf;
$custom-light: #92afe9;
$custom-dark: #000000;

JSON

{
  "hex": "#578fdf",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 223
  },
  "hsl": {
    "h": 215.294,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64772,
    "c": 0.13432,
    "h": 257.4
  },
  "luminance": 0.26999
}

Semantic roles & 50–950 ramp

primary

#578FDF

secondary

#E3CDAF

accent

#8316D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #578FDF

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

Preview Lab → · Contrast checker → · Palette generator →