#525BB4#525BB4

#525BB4 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.139 H 275.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#525BB4
RGB	rgb(82, 91, 180)
HSL	hsl(234, 40%, 51%)
HSV	hsv(234, 54%, 71%)
CMYK	cmyk(54.4%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(42.11, 22.45, -48.55)
CIE-LCH	lch(42.11, 53.49, 294.81°)
OKLab	oklab(50.96% 0.0144 -0.1385)
OKLCH	oklch(50.96% 0.139 275.9)
XYZ	xyz(15.4564, 12.5703, 44.7830)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#525BB4 #B4AB52

analogous

#528CB4 #525BB4 #7A52B4

triadic

#525BB4 #B4525B #5BB452

tetradic

#525BB4 #B4528C #B4AB52 #52B47A

square

#525BB4 #B4528C #B4AB52 #52B47A

split-complementary

#525BB4 #B47A52 #8CB452

monochromatic

#2A2F61 #3D448C #525BB4 #7D83C7 #A7ACD9

Accessibility & contrast

On white

5.98

#525BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#525BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #525BB4

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##525BB4	#FFFFFF	#000000	##FFFFFF
##525BB4	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3068B7

Deuteranopia (green-blind)

#235FB2

Tritanopia (blue-blind)

#226F7F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #525bb4;
/* rgb */ color: rgb(82, 91, 180);
/* oklch */ color: oklch(51.0% 0.139 275.9);

Tailwind

colors: {
  custom: {
    50: '#8a89cb',
    500: '#525bb4',
    950: '#000000',
  },
}

SCSS

$custom: #525bb4;
$custom-light: #8a89cb;
$custom-dark: #000000;

JSON

{
  "hex": "#525bb4",
  "rgb": {
    "r": 82,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 234.49,
    "s": 39.516,
    "l": 51.373
  },
  "oklch": {
    "l": 0.50958,
    "c": 0.13924,
    "h": 275.9
  },
  "luminance": 0.12571
}

Semantic roles & 50–950 ramp

primary

#525BB4

secondary

#C7C39B

accent

#C458CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #525BB4

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

Preview Lab → · Contrast checker → · Palette generator →