#5570DD#5570DD

#5570DD is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.1% C 0.168 H 270.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5570DD
RGB	rgb(85, 112, 221)
HSL	hsl(228, 67%, 60%)
HSV	hsv(228, 62%, 87%)
CMYK	cmyk(61.5%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(50.38, 23.58, -58.84)
CIE-LCH	lch(50.38, 63.39, 291.84°)
OKLab	oklab(58.1% 0 -0.1684)
OKLCH	oklch(58.1% 0.168 270)
XYZ	xyz(22.5872, 18.7382, 70.8191)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5570DD #DDC255

analogous

#55B4DD #5570DD #7E55DD

triadic

#5570DD #DD5570 #70DD55

tetradic

#5570DD #DD55B4 #DDC255 #55DD7E

square

#5570DD #DD55B4 #DDC255 #55DD7E

split-complementary

#5570DD #DD7E55 #B4DD55

monochromatic

#1F3799 #2949CC #5570DD #889BE7 #BBC6F1

Accessibility & contrast

On white

4.42

#5570DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5570DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5570DD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5570DD	#FFFFFF	#000000	##000000
##5570DD	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#1672DB

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5570dd;
/* rgb */ color: rgb(85, 112, 221);
/* oklch */ color: oklch(58.1% 0.168 270.0);

Tailwind

colors: {
  custom: {
    50: '#9198e8',
    500: '#5570dd',
    950: '#000000',
  },
}

SCSS

$custom: #5570dd;
$custom-light: #9198e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5570dd",
  "rgb": {
    "r": 85,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 228.088,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.58098,
    "c": 0.16845,
    "h": 270
  },
  "luminance": 0.1874
}

Semantic roles & 50–950 ramp

primary

#5570DD

secondary

#E1D7AD

accent

#C83EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5570DD

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

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