#5257EF#5257EF

#5257EF is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.8% C 0.223 H 274.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5257EF
RGB	rgb(82, 87, 239)
HSL	hsl(238, 83%, 63%)
HSV	hsv(238, 66%, 94%)
CMYK	cmyk(65.7%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(45.41, 44.41, -77.05)
CIE-LCH	lch(45.41, 88.93, 299.96°)
OKLab	oklab(54.76% 0.0186 -0.2223)
OKLCH	oklch(54.76% 0.223 274.8)
XYZ	xyz(22.4627, 14.8402, 83.3253)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257EF #EFEA52

analogous

#52A6EF #5257EF #9B52EF

triadic

#5257EF #EF5257 #57EF52

tetradic

#5257EF #EF52A6 #EFEA52 #52EF9B

square

#5257EF #EF52A6 #EFEA52 #52EF9B

split-complementary

#5257EF #EF9B52 #A6EF52

monochromatic

#1116B6 #1A21EA #5257EF #8A8DF4 #C2C4F9

Accessibility & contrast

On white

5.29

#5257EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5257EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257EF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257EF	#FFFFFF	#000000	##FFFFFF
##5257EF	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073F4

Deuteranopia (green-blind)

#0064EC

Tritanopia (blue-blind)

#007E9B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5257ef;
/* rgb */ color: rgb(82, 87, 239);
/* oklch */ color: oklch(54.8% 0.223 274.8);

Tailwind

colors: {
  custom: {
    50: '#9487f5',
    500: '#5257ef',
    950: '#000000',
  },
}

SCSS

$custom: #5257ef;
$custom-light: #9487f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5257ef",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 238.089,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.54759,
    "c": 0.22307,
    "h": 274.8
  },
  "luminance": 0.14842
}

Semantic roles & 50–950 ramp

primary

#5257EF

secondary

#EBE9B2

accent

#D906DF

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5257EF

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

Preview Lab → · Contrast checker → · Palette generator →