#5257CE#5257CE

#5257CE is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.180 H 276.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5257CE
RGB	rgb(82, 87, 206)
HSL	hsl(238, 56%, 56%)
HSV	hsv(238, 60%, 81%)
CMYK	cmyk(60.2%, 57.8%, 0%, 19.2%)
CIE-LAB	lab(42.86, 33.55, -62.44)
CIE-LCH	lch(42.86, 70.88, 298.25°)
OKLab	oklab(52.08% 0.0199 -0.1794)
OKLCH	oklch(52.08% 0.18 276.3)
XYZ	xyz(18.0248, 13.0651, 59.9525)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257CE #CEC952

analogous

#5295CE #5257CE #8B52CE

triadic

#5257CE #CE5257 #57CE52

tetradic

#5257CE #CE5295 #CEC952 #52CE8B

square

#5257CE #CE5295 #CEC952 #52CE8B

split-complementary

#5257CE #CE8B52 #95CE52

monochromatic

#252881 #3237B1 #5257CE #8285DC #B1B4E9

Accessibility & contrast

On white

5.81

#5257CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5257CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257CE

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257CE	#FFFFFF	#000000	##FFFFFF
##5257CE	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5257ce;
/* rgb */ color: rgb(82, 87, 206);
/* oklch */ color: oklch(52.1% 0.180 276.3);

Tailwind

colors: {
  custom: {
    50: '#8e86de',
    500: '#5257ce',
    950: '#000000',
  },
}

SCSS

$custom: #5257ce;
$custom-light: #8e86de;
$custom-dark: #000000;

JSON

{
  "hex": "#5257ce",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 206
  },
  "hsl": {
    "h": 237.581,
    "s": 55.856,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52084,
    "c": 0.18049,
    "h": 276.3
  },
  "luminance": 0.13066
}

Semantic roles & 50–950 ramp

primary

#5257CE

secondary

#D7D5A4

accent

#D949DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5257CE

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

Preview Lab → · Contrast checker → · Palette generator →