#575ACB#575ACB

#575ACB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.171 H 277.6°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#575ACB
RGB	rgb(87, 90, 203)
HSL	hsl(238, 53%, 57%)
HSV	hsv(238, 57%, 80%)
CMYK	cmyk(57.1%, 55.7%, 0%, 20.4%)
CIE-LAB	lab(43.73, 31.61, -59.30)
CIE-LCH	lch(43.73, 67.20, 298.06°)
OKLab	oklab(52.75% 0.0227 -0.17)
OKLCH	oklch(52.75% 0.171 277.6)
XYZ	xyz(18.3627, 13.6491, 58.1552)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575ACB #CBC857

analogous

#5794CB #575ACB #8E57CB

triadic

#575ACB #CB575A #5ACB57

tetradic

#575ACB #CB5794 #CBC857 #57CB8E

square

#575ACB #CB5794 #CBC857 #57CB8E

split-complementary

#575ACB #CB8E57 #94CB57

monochromatic

#282A80 #3639AF #575ACB #8688D9 #B4B6E8

Accessibility & contrast

On white

5.63

#575ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#575ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575ACB

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575ACB	#FFFFFF	#000000	##FFFFFF
##575ACB	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#10748A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #575acb;
/* rgb */ color: rgb(87, 90, 203);
/* oklch */ color: oklch(52.7% 0.171 277.6);

Tailwind

colors: {
  custom: {
    50: '#9088dc',
    500: '#575acb',
    950: '#000000',
  },
}

SCSS

$custom: #575acb;
$custom-light: #9088dc;
$custom-dark: #000000;

JSON

{
  "hex": "#575acb",
  "rgb": {
    "r": 87,
    "g": 90,
    "b": 203
  },
  "hsl": {
    "h": 238.448,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52747,
    "c": 0.17149,
    "h": 277.6
  },
  "luminance": 0.1365
}

Semantic roles & 50–950 ramp

primary

#575ACB

secondary

#D7D5A7

accent

#D84CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #575ACB

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

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