#5257CA#5257CA

#5257CA is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.175 H 276.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5257CA
RGB	rgb(82, 87, 202)
HSL	hsl(238, 53%, 56%)
HSV	hsv(238, 59%, 79%)
CMYK	cmyk(59.4%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(42.57, 32.23, -60.60)
CIE-LCH	lch(42.57, 68.64, 298.00°)
OKLab	oklab(51.78% 0.0199 -0.174)
OKLCH	oklch(51.78% 0.175 276.5)
XYZ	xyz(17.5451, 12.8732, 57.4259)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257CA #CAC552

analogous

#5293CA #5257CA #8952CA

triadic

#5257CA #CA5257 #57CA52

tetradic

#5257CA #CA5293 #CAC552 #52CA89

square

#5257CA #CA5293 #CAC552 #52CA89

split-complementary

#5257CA #CA8952 #93CA52

monochromatic

#26297C #3439AB #5257CA #8184D8 #B0B2E7

Accessibility & contrast

On white

5.87

#5257CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5257CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257CA

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257CA	#FFFFFF	#000000	##FFFFFF
##5257CA	1.00	5.87	3.57	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5257ca;
/* rgb */ color: rgb(82, 87, 202);
/* oklch */ color: oklch(51.8% 0.175 276.5);

Tailwind

colors: {
  custom: {
    50: '#8e86db',
    500: '#5257ca',
    950: '#000000',
  },
}

SCSS

$custom: #5257ca;
$custom-light: #8e86db;
$custom-dark: #000000;

JSON

{
  "hex": "#5257ca",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 237.5,
    "s": 53.097,
    "l": 55.686
  },
  "oklch": {
    "l": 0.51777,
    "c": 0.17512,
    "h": 276.5
  },
  "luminance": 0.12874
}

Semantic roles & 50–950 ramp

primary

#5257CA

secondary

#D5D3A3

accent

#D64BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5257CA

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

Preview Lab → · Contrast checker → · Palette generator →