#575BBF#575BBF

#575BBF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.154 H 277.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX#575BBF
RGBrgb(87, 91, 191)
HSLhsl(238, 45%, 55%)
HSVhsv(238, 54%, 75%)
CMYKcmyk(54.5%, 52.4%, 0%, 25.1%)
CIE-LABlab(43.17, 27.09, -53.25)
CIE-LCHlch(43.17, 59.75, 296.96°)
OKLaboklab(52.07% 0.0211 -0.1522)
OKLCHoklch(52.07% 0.154 277.9)
XYZxyz(17.0726, 13.2689, 50.9416)
Luminance0.1327 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#575BBF #BFBB57
analogous
#578FBF #575BBF #8757BF
triadic
#575BBF #BF575B #5BBF57
tetradic
#575BBF #BF578F #BFBB57 #57BF87
square
#575BBF #BF578F #BFBB57 #57BF87
split-complementary
#575BBF #BF8757 #8FBF57
monochromatic
#2B2E71 #3C409D #575BBF #8386D0 #B0B2E1

Accessibility & contrast

On white

5.75
#575BBF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.65
#575BBF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #575BBF
5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##575BBF#FFFFFF#000000##FFFFFF
##575BBF1.005.753.655.75
#FFFFFF5.751.0021.001.00
#0000003.6521.001.0021.00
##FFFFFF5.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#246AC3
Deuteranopia (green-blind)
#1262BD
Tritanopia (blue-blind)
#257284
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #575bbf;
/* rgb */ color: rgb(87, 91, 191);
/* oklch */ color: oklch(52.1% 0.154 277.9);
Tailwind
colors: {
  custom: {
    50: '#8e89d3',
    500: '#575bbf',
    950: '#000000',
  },
}
SCSS
$custom: #575bbf;
$custom-light: #8e89d3;
$custom-dark: #000000;
JSON
{
  "hex": "#575bbf",
  "rgb": {
    "r": 87,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 237.692,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52071,
    "c": 0.15366,
    "h": 277.9
  },
  "luminance": 0.1327
}

Semantic roles & 50–950 ramp

primary
#575BBF
secondary
#CFCDA3
accent
#D053D5
background
#F9F8FD
surface
#F1F0FA
border
#CBCBD3
text
#0D0B14
muted
#7E7C83

Preview Lab

Preview with #575BBF

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

Preview Lab → · Contrast checker → · Palette generator →

#575BBF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva