#575DBB#575DBB

#575DBB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.145 H 277.3°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#575DBB
RGB	rgb(87, 93, 187)
HSL	hsl(236, 42%, 54%)
HSV	hsv(236, 53%, 73%)
CMYK	cmyk(53.5%, 50.3%, 0%, 26.7%)
CIE-LAB	lab(43.42, 24.54, -50.51)
CIE-LCH	lch(43.42, 56.16, 295.91°)
OKLab	oklab(52.18% 0.0186 -0.1441)
OKLCH	oklch(52.18% 0.145 277.3)
XYZ	xyz(16.8116, 13.4417, 48.7127)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575DBB #BBB557

analogous

#578FBB #575DBB #8357BB

triadic

#575DBB #BB575D #5DBB57

tetradic

#575DBB #BB578F #BBB557 #57BB83

square

#575DBB #BB578F #BBB557 #57BB83

split-complementary

#575DBB #BB8357 #8FBB57

monochromatic

#2C306C #3D4397 #575DBB #8387CD #AEB1DE

Accessibility & contrast

On white

5.69

#575DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#575DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575DBB

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575DBB	#FFFFFF	#000000	##FFFFFF
##575DBB	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6BBE

Deuteranopia (green-blind)

#2263B9

Tritanopia (blue-blind)

#297283

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #575dbb;
/* rgb */ color: rgb(87, 93, 187);
/* oklch */ color: oklch(52.2% 0.145 277.3);

Tailwind

colors: {
  custom: {
    50: '#8e8ad0',
    500: '#575dbb',
    950: '#000000',
  },
}

SCSS

$custom: #575dbb;
$custom-light: #8e8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#575dbb",
  "rgb": {
    "r": 87,
    "g": 93,
    "b": 187
  },
  "hsl": {
    "h": 236.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52181,
    "c": 0.14531,
    "h": 277.3
  },
  "luminance": 0.13443
}

Semantic roles & 50–950 ramp

primary

#575DBB

secondary

#CCCAA2

accent

#CB56D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575DBB

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

Preview Lab → · Contrast checker → · Palette generator →