#5257DB#5257DB

#5257DB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 53.1% C 0.198 H 275.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5257DB
RGB	rgb(82, 87, 219)
HSL	hsl(238, 66%, 59%)
HSV	hsv(238, 63%, 86%)
CMYK	cmyk(62.6%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(43.83, 37.85, -68.31)
CIE-LCH	lch(43.83, 78.09, 298.99°)
OKLab	oklab(53.11% 0.0197 -0.1966)
OKLCH	oklch(53.11% 0.198 275.7)
XYZ	xyz(19.6699, 13.7231, 68.6164)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257DB #DBD652

analogous

#529CDB #5257DB #9252DB

triadic

#5257DB #DB5257 #57DB52

tetradic

#5257DB #DB529C #DBD652 #52DB92

square

#5257DB #DB529C #DBD652 #52DB92

split-complementary

#5257DB #DB9252 #9CDB52

monochromatic

#1F2394 #292FC6 #5257DB #8588E6 #B7B9F0

Accessibility & contrast

On white

5.61

#5257DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#5257DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257DB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257DB	#FFFFFF	#000000	##FFFFFF
##5257DB	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5257db;
/* rgb */ color: rgb(82, 87, 219);
/* oklch */ color: oklch(53.1% 0.198 275.7);

Tailwind

colors: {
  custom: {
    50: '#9186e7',
    500: '#5257db',
    950: '#000000',
  },
}

SCSS

$custom: #5257db;
$custom-light: #9186e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5257db",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 237.81,
    "s": 65.55,
    "l": 59.02
  },
  "oklch": {
    "l": 0.53108,
    "c": 0.19762,
    "h": 275.7
  },
  "luminance": 0.13725
}

Semantic roles & 50–950 ramp

primary

#5257DB

secondary

#DFDDAA

accent

#E23FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5257DB

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

Preview Lab → · Contrast checker → · Palette generator →