#575BBD#575BBD

#575BBD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.151 H 278.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#575BBD
RGB	rgb(87, 91, 189)
HSL	hsl(238, 44%, 54%)
HSV	hsv(238, 54%, 74%)
CMYK	cmyk(54%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(43.04, 26.44, -52.30)
CIE-LCH	lch(43.04, 58.60, 296.82°)
OKLab	oklab(51.93% 0.021 -0.1494)
OKLCH	oklch(51.93% 0.151 278)
XYZ	xyz(16.8540, 13.1815, 49.7904)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575BBD #BDB957

analogous

#578EBD #575BBD #8657BD

triadic

#575BBD #BD575B #5BBD57

tetradic

#575BBD #BD578E #BDB957 #57BD86

square

#575BBD #BD578E #BDB957 #57BD86

split-complementary

#575BBD #BD8657 #8EBD57

monochromatic

#2B2E6E #3D409A #575BBD #8386CE #AFB1E0

Accessibility & contrast

On white

5.77

#575BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#575BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BBD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575BBD	#FFFFFF	#000000	##FFFFFF
##575BBD	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276AC0

Deuteranopia (green-blind)

#1862BB

Tritanopia (blue-blind)

#277183

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575bbd;
/* rgb */ color: rgb(87, 91, 189);
/* oklch */ color: oklch(51.9% 0.151 278.0);

Tailwind

colors: {
  custom: {
    50: '#8e89d1',
    500: '#575bbd',
    950: '#000000',
  },
}

SCSS

$custom: #575bbd;
$custom-light: #8e89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#575bbd",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 237.647,
    "s": 43.59,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51931,
    "c": 0.15086,
    "h": 278
  },
  "luminance": 0.13183
}

Semantic roles & 50–950 ramp

primary

#575BBD

secondary

#CECCA2

accent

#CE54D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #575BBD

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

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