#5570CB#5570CB

#5570CB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.144 H 269.1°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5570CB
RGB	rgb(85, 112, 203)
HSL	hsl(226, 53%, 56%)
HSV	hsv(226, 58%, 80%)
CMYK	cmyk(58.1%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(49.29, 17.54, -50.36)
CIE-LCH	lch(49.29, 53.32, 289.20°)
OKLab	oklab(56.92% -0.0024 -0.1435)
OKLCH	oklch(56.92% 0.144 269.1)
XYZ	xyz(20.3164, 17.8298, 58.8592)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5570CB #CBB055

analogous

#55ABCB #5570CB #7555CB

triadic

#5570CB #CB5570 #70CB55

tetradic

#5570CB #CB55AB #CBB055 #55CB75

square

#5570CB #CB55AB #CBB055 #55CB75

split-complementary

#5570CB #CB7555 #ABCB55

monochromatic

#273B7F #3551AE #5570CB #8497D9 #B3BFE8

Accessibility & contrast

On white

4.60

#5570CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#5570CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5570CB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5570CB	#FFFFFF	#000000	##FFFFFF
##5570CB	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5570cb;
/* rgb */ color: rgb(85, 112, 203);
/* oklch */ color: oklch(56.9% 0.144 269.1);

Tailwind

colors: {
  custom: {
    50: '#8e98db',
    500: '#5570cb',
    950: '#000000',
  },
}

SCSS

$custom: #5570cb;
$custom-light: #8e98db;
$custom-dark: #000000;

JSON

{
  "hex": "#5570cb",
  "rgb": {
    "r": 85,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 226.271,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56916,
    "c": 0.14353,
    "h": 269.1
  },
  "luminance": 0.17831
}

Semantic roles & 50–950 ramp

primary

#5570CB

secondary

#D6CBA6

accent

#BB4BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5570CB

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

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