#525FBB#525FBB

#525FBB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.2% C 0.144 H 274.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX#525FBB
RGBrgb(82, 95, 187)
HSLhsl(233, 44%, 53%)
HSVhsv(233, 56%, 73%)
CMYKcmyk(56.1%, 49.2%, 0%, 26.7%)
CIE-LABlab(43.60, 22.23, -50.24)
CIE-LCHlch(43.60, 54.94, 293.87°)
OKLaboklab(52.23% 0.0107 -0.1434)
OKLCHoklch(52.23% 0.144 274.3)
XYZxyz(16.5386, 13.5649, 48.7509)
Luminance0.1357 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#525FBB #BBAE52
analogous
#5294BB #525FBB #7952BB
triadic
#525FBB #BB525F #5FBB52
tetradic
#525FBB #BB5294 #BBAE52 #52BB79
square
#525FBB #BB5294 #BBAE52 #52BB79
split-complementary
#525FBB #BB7952 #94BB52
monochromatic
#293169 #3B4695 #525FBB #7E88CC #AAB0DE

Accessibility & contrast

On white

5.66
#525FBB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.71
#525FBB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #525FBB
5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##525FBB#FFFFFF#000000##FFFFFF
##525FBB1.005.663.715.66
#FFFFFF5.661.0021.001.00
#0000003.7121.001.0021.00
##FFFFFF5.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#326CBE
Deuteranopia (green-blind)
#2263B9
Tritanopia (blue-blind)
#177484
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #525fbb;
/* rgb */ color: rgb(82, 95, 187);
/* oklch */ color: oklch(52.2% 0.144 274.3);
Tailwind
colors: {
  custom: {
    50: '#8b8cd0',
    500: '#525fbb',
    950: '#000000',
  },
}
SCSS
$custom: #525fbb;
$custom-light: #8b8cd0;
$custom-dark: #000000;
JSON
{
  "hex": "#525fbb",
  "rgb": {
    "r": 82,
    "g": 95,
    "b": 187
  },
  "hsl": {
    "h": 232.571,
    "s": 43.568,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.14383,
    "h": 274.3
  },
  "luminance": 0.13566
}

Semantic roles & 50–950 ramp

primary
#525FBB
secondary
#CBC69E
accent
#C454D3
background
#F8F8FC
surface
#F0F0F9
border
#CBCBD2
text
#0D0C14
muted
#7D7D82

Preview Lab

Preview with #525FBB

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

Preview Lab → · Contrast checker → · Palette generator →

#525FBB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva