#575CBC#575CBC

#575CBC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.148 H 277.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#575CBC
RGB	rgb(87, 92, 188)
HSL	hsl(237, 43%, 54%)
HSV	hsv(237, 54%, 74%)
CMYK	cmyk(53.7%, 51.1%, 0%, 26.3%)
CIE-LAB	lab(43.23, 25.49, -51.41)
CIE-LCH	lch(43.23, 57.38, 296.38°)
OKLab	oklab(52.05% 0.0198 -0.1468)
OKLCH	oklch(52.05% 0.148 277.7)
XYZ	xyz(16.8319, 13.3103, 49.2494)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575CBC #BCB757

analogous

#578FBC #575CBC #8557BC

triadic

#575CBC #BC575C #5CBC57

tetradic

#575CBC #BC578F #BCB757 #57BC85

square

#575CBC #BC578F #BCB757 #57BC85

split-complementary

#575CBC #BC8557 #8FBC57

monochromatic

#2C2F6D #3D4299 #575CBC #8386CD #AFB1DF

Accessibility & contrast

On white

5.73

#575CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#575CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575CBC

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575CBC	#FFFFFF	#000000	##FFFFFF
##575CBC	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABF

Deuteranopia (green-blind)

#1D62BA

Tritanopia (blue-blind)

#287183

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575cbc;
/* rgb */ color: rgb(87, 92, 188);
/* oklch */ color: oklch(52.1% 0.148 277.7);

Tailwind

colors: {
  custom: {
    50: '#8e8ad1',
    500: '#575cbc',
    950: '#000000',
  },
}

SCSS

$custom: #575cbc;
$custom-light: #8e8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#575cbc",
  "rgb": {
    "r": 87,
    "g": 92,
    "b": 188
  },
  "hsl": {
    "h": 237.03,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52055,
    "c": 0.14809,
    "h": 277.7
  },
  "luminance": 0.13311
}

Semantic roles & 50–950 ramp

primary

#575CBC

secondary

#CDCBA2

accent

#CD55D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575CBC

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

Preview Lab → · Contrast checker → · Palette generator →