#525CBB#525CBB

#525CBB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.148 H 275.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#525CBB
RGB	rgb(82, 92, 187)
HSL	hsl(234, 44%, 53%)
HSV	hsv(234, 56%, 73%)
CMYK	cmyk(56.1%, 50.8%, 0%, 26.7%)
CIE-LAB	lab(42.82, 24.13, -51.51)
CIE-LCH	lch(42.82, 56.88, 295.10°)
OKLab	oklab(51.64% 0.014 -0.1472)
OKLCH	oklch(51.64% 0.148 275.4)
XYZ	xyz(16.2736, 13.0348, 48.6625)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#525CBB #BBB152

analogous

#5290BB #525CBB #7D52BB

triadic

#525CBB #BB525C #5CBB52

tetradic

#525CBB #BB5290 #BBB152 #52BB7D

square

#525CBB #BB5290 #BBB152 #52BB7D

split-complementary

#525CBB #BB7D52 #90BB52

monochromatic

#292F69 #3B4395 #525CBB #7E85CC #AAAFDE

Accessibility & contrast

On white

5.82

#525CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#525CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #525CBB

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##525CBB	#FFFFFF	#000000	##FFFFFF
##525CBB	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABE

Deuteranopia (green-blind)

#1961B9

Tritanopia (blue-blind)

#187183

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #525cbb;
/* rgb */ color: rgb(82, 92, 187);
/* oklch */ color: oklch(51.6% 0.148 275.4);

Tailwind

colors: {
  custom: {
    50: '#8b8ad0',
    500: '#525cbb',
    950: '#000000',
  },
}

SCSS

$custom: #525cbb;
$custom-light: #8b8ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#525cbb",
  "rgb": {
    "r": 82,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 234.286,
    "s": 43.568,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51635,
    "c": 0.14784,
    "h": 275.4
  },
  "luminance": 0.13036
}

Semantic roles & 50–950 ramp

primary

#525CBB

secondary

#CBC79E

accent

#C754D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #525CBB

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

Preview Lab → · Contrast checker → · Palette generator →