#575EB3#575EB3

#575EB3 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.8% C 0.133 H 277.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#575EB3
RGB	rgb(87, 94, 179)
HSL	hsl(235, 38%, 52%)
HSV	hsv(235, 51%, 70%)
CMYK	cmyk(51.4%, 47.5%, 0%, 29.8%)
CIE-LAB	lab(43.19, 21.33, -46.21)
CIE-LCH	lch(43.19, 50.90, 294.78°)
OKLab	oklab(51.85% 0.0166 -0.1315)
OKLCH	oklch(51.85% 0.133 277.2)
XYZ	xyz(16.0673, 13.2854, 44.3568)
Luminance	0.1329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#575EB3 #B3AC57

analogous

#578CB3 #575EB3 #7E57B3

triadic

#575EB3 #B3575E #5EB357

tetradic

#575EB3 #B3578C #B3AC57 #57B37E

square

#575EB3 #B3578C #B3AC57 #57B37E

split-complementary

#575EB3 #B37E57 #8CB357

monochromatic

#2D3163 #40468D #575EB3 #8186C6 #ABAFD9

Accessibility & contrast

On white

5.74

#575EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#575EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575EB3

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##575EB3	#FFFFFF	#000000	##FFFFFF
##575EB3	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386AB6

Deuteranopia (green-blind)

#2F62B1

Tritanopia (blue-blind)

#317080

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #575eb3;
/* rgb */ color: rgb(87, 94, 179);
/* oklch */ color: oklch(51.8% 0.133 277.2);

Tailwind

colors: {
  custom: {
    50: '#8d8bca',
    500: '#575eb3',
    950: '#000000',
  },
}

SCSS

$custom: #575eb3;
$custom-light: #8d8bca;
$custom-dark: #000000;

JSON

{
  "hex": "#575eb3",
  "rgb": {
    "r": 87,
    "g": 94,
    "b": 179
  },
  "hsl": {
    "h": 235.435,
    "s": 37.705,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51847,
    "c": 0.13251,
    "h": 277.2
  },
  "luminance": 0.13286
}

Semantic roles & 50–950 ramp

primary

#575EB3

secondary

#C7C49F

accent

#C55ACE

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0D0C13

muted

#7D7D82

Preview Lab

Preview with #575EB3

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

Preview Lab → · Contrast checker → · Palette generator →