#5257BA#5257BA

#5257BA is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.6% C 0.153 H 277.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#5257BA
RGB	rgb(82, 87, 186)
HSL	hsl(237, 43%, 53%)
HSV	hsv(237, 56%, 73%)
CMYK	cmyk(55.9%, 53.2%, 0%, 27.1%)
CIE-LAB	lab(41.46, 26.95, -53.10)
CIE-LCH	lch(41.46, 59.55, 296.90°)
OKLab	oklab(50.6% 0.0193 -0.1519)
OKLCH	oklch(50.6% 0.153 277.2)
XYZ	xyz(15.7480, 12.1543, 47.9610)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257BA #BAB552

analogous

#528BBA #5257BA #8152BA

triadic

#5257BA #BA5257 #57BA52

tetradic

#5257BA #BA528B #BAB552 #52BA81

square

#5257BA #BA528B #BAB552 #52BA81

split-complementary

#5257BA #BA8152 #8BBA52

monochromatic

#2A2D68 #3B3F94 #5257BA #7E81CB #AAACDD

Accessibility & contrast

On white

6.12

#5257BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5257BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257BA

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257BA	#FFFFFF	#000000	##FFFFFF
##5257BA	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D66BD

Deuteranopia (green-blind)

#045EB8

Tritanopia (blue-blind)

#1B6E80

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5257ba;
/* rgb */ color: rgb(82, 87, 186);
/* oklch */ color: oklch(50.6% 0.153 277.2);

Tailwind

colors: {
  custom: {
    50: '#8b86cf',
    500: '#5257ba',
    950: '#000000',
  },
}

SCSS

$custom: #5257ba;
$custom-light: #8b86cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5257ba",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 186
  },
  "hsl": {
    "h": 237.115,
    "s": 42.975,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50595,
    "c": 0.15314,
    "h": 277.2
  },
  "luminance": 0.12155
}

Semantic roles & 50–950 ramp

primary

#5257BA

secondary

#CAC89D

accent

#CD55D3

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5257BA

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

Preview Lab → · Contrast checker → · Palette generator →