#525BB5#525BB5

#525BB5 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.141 H 275.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#525BB5
RGB	rgb(82, 91, 181)
HSL	hsl(235, 40%, 52%)
HSV	hsv(235, 55%, 71%)
CMYK	cmyk(54.7%, 49.7%, 0%, 29%)
CIE-LAB	lab(42.17, 22.78, -49.03)
CIE-LCH	lch(42.17, 54.06, 294.91°)
OKLab	oklab(51.03% 0.0145 -0.1399)
OKLCH	oklch(51.03% 0.141 275.9)
XYZ	xyz(15.5586, 12.6112, 45.3214)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#525BB5 #B5AC52

analogous

#528DB5 #525BB5 #7B52B5

triadic

#525BB5 #B5525B #5BB552

tetradic

#525BB5 #B5528D #B5AC52 #52B57B

square

#525BB5 #B5528D #B5AC52 #52B57B

split-complementary

#525BB5 #B57B52 #8DB552

monochromatic

#2A2F62 #3C448D #525BB5 #7D84C7 #A8ACDA

Accessibility & contrast

On white

5.96

#525BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#525BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #525BB5

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##525BB5	#FFFFFF	#000000	##FFFFFF
##525BB5	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F68B8

Deuteranopia (green-blind)

#2260B3

Tritanopia (blue-blind)

#216F7F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #525bb5;
/* rgb */ color: rgb(82, 91, 181);
/* oklch */ color: oklch(51.0% 0.141 275.9);

Tailwind

colors: {
  custom: {
    50: '#8a89cc',
    500: '#525bb5',
    950: '#000000',
  },
}

SCSS

$custom: #525bb5;
$custom-light: #8a89cc;
$custom-dark: #000000;

JSON

{
  "hex": "#525bb5",
  "rgb": {
    "r": 82,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 234.545,
    "s": 40.081,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51026,
    "c": 0.14067,
    "h": 275.9
  },
  "luminance": 0.12612
}

Semantic roles & 50–950 ramp

primary

#525BB5

secondary

#C7C39C

accent

#C558D0

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #525BB5

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

Preview Lab → · Contrast checker → · Palette generator →