#5257EB#5257EB

#5257EB is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.4% C 0.218 H 275.0°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5257EB
RGB	rgb(82, 87, 235)
HSL	hsl(238, 79%, 62%)
HSV	hsv(238, 65%, 92%)
CMYK	cmyk(65.1%, 63%, 0%, 7.8%)
CIE-LAB	lab(45.09, 43.11, -75.33)
CIE-LCH	lch(45.09, 86.79, 299.78°)
OKLab	oklab(54.42% 0.0188 -0.2172)
OKLCH	oklch(54.42% 0.218 275)
XYZ	xyz(21.8783, 14.6065, 80.2475)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257EB #EBE652

analogous

#52A4EB #5257EB #9952EB

triadic

#5257EB #EB5257 #57EB52

tetradic

#5257EB #EB52A4 #EBE652 #52EB99

square

#5257EB #EB52A4 #EBE652 #52EB99

split-complementary

#5257EB #EB9952 #A4EB52

monochromatic

#1419AE #1B22E5 #5257EB #898CF1 #C0C2F8

Accessibility & contrast

On white

5.35

#5257EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#5257EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257EB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257EB	#FFFFFF	#000000	##FFFFFF
##5257EB	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F0

Deuteranopia (green-blind)

#0064E8

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5257eb;
/* rgb */ color: rgb(82, 87, 235);
/* oklch */ color: oklch(54.4% 0.218 275.0);

Tailwind

colors: {
  custom: {
    50: '#9387f3',
    500: '#5257eb',
    950: '#000000',
  },
}

SCSS

$custom: #5257eb;
$custom-light: #9387f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5257eb",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 235
  },
  "hsl": {
    "h": 238.039,
    "s": 79.275,
    "l": 62.157
  },
  "oklch": {
    "l": 0.54422,
    "c": 0.21807,
    "h": 275
  },
  "luminance": 0.14608
}

Semantic roles & 50–950 ramp

primary

#5257EB

secondary

#E8E7B0

accent

#D50ADC

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5257EB

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

Preview Lab → · Contrast checker → · Palette generator →