#5257BE#5257BE

#5257BE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.159 H 277.1°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#5257BE
RGB	rgb(82, 87, 190)
HSL	hsl(237, 45%, 53%)
HSV	hsv(237, 57%, 75%)
CMYK	cmyk(56.8%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(41.73, 28.26, -55.00)
CIE-LCH	lch(41.73, 61.84, 297.20°)
OKLab	oklab(50.88% 0.0195 -0.1575)
OKLCH	oklch(50.88% 0.159 277.1)
XYZ	xyz(16.1792, 12.3268, 50.2320)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257BE #BEB952

analogous

#528DBE #5257BE #8352BE

triadic

#5257BE #BE5257 #57BE52

tetradic

#5257BE #BE528D #BEB952 #52BE83

square

#5257BE #BE528D #BEB952 #52BE83

split-complementary

#5257BE #BE8352 #8DBE52

monochromatic

#292C6D #3A3E99 #5257BE #7E82CF #ABADDF

Accessibility & contrast

On white

6.06

#5257BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5257BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257BE

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257BE	#FFFFFF	#000000	##FFFFFF
##5257BE	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1567C2

Deuteranopia (green-blind)

#005EBC

Tritanopia (blue-blind)

#136F82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5257be;
/* rgb */ color: rgb(82, 87, 190);
/* oklch */ color: oklch(50.9% 0.159 277.1);

Tailwind

colors: {
  custom: {
    50: '#8c86d2',
    500: '#5257be',
    950: '#000000',
  },
}

SCSS

$custom: #5257be;
$custom-light: #8c86d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5257be",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 237.222,
    "s": 45.378,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50884,
    "c": 0.15872,
    "h": 277.1
  },
  "luminance": 0.12328
}

Semantic roles & 50–950 ramp

primary

#5257BE

secondary

#CDCB9F

accent

#CF53D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5257BE

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

Preview Lab → · Contrast checker → · Palette generator →