#5257BC#5257BC

#5257BC is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.156 H 277.2°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#5257BC
RGB	rgb(82, 87, 188)
HSL	hsl(237, 44%, 53%)
HSV	hsv(237, 56%, 74%)
CMYK	cmyk(56.4%, 53.7%, 0%, 26.3%)
CIE-LAB	lab(41.59, 27.60, -54.06)
CIE-LCH	lch(41.59, 60.70, 297.05°)
OKLab	oklab(50.74% 0.0194 -0.1547)
OKLCH	oklch(50.74% 0.156 277.2)
XYZ	xyz(15.9621, 12.2400, 49.0886)
Luminance	0.1224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5257BC #BCB752

analogous

#528CBC #5257BC #8252BC

triadic

#5257BC #BC5257 #57BC52

tetradic

#5257BC #BC528C #BCB752 #52BC82

square

#5257BC #BC528C #BCB752 #52BC82

split-complementary

#5257BC #BC8252 #8CBC52

monochromatic

#292C6A #3A3F97 #5257BC #7E82CD #AAADDE

Accessibility & contrast

On white

6.09

#5257BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#5257BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5257BC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5257BC	#FFFFFF	#000000	##FFFFFF
##5257BC	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A67C0

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#176E81

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5257bc;
/* rgb */ color: rgb(82, 87, 188);
/* oklch */ color: oklch(50.7% 0.156 277.2);

Tailwind

colors: {
  custom: {
    50: '#8b86d1',
    500: '#5257bc',
    950: '#000000',
  },
}

SCSS

$custom: #5257bc;
$custom-light: #8b86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5257bc",
  "rgb": {
    "r": 82,
    "g": 87,
    "b": 188
  },
  "hsl": {
    "h": 237.17,
    "s": 44.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50739,
    "c": 0.15594,
    "h": 277.2
  },
  "luminance": 0.12241
}

Semantic roles & 50–950 ramp

primary

#5257BC

secondary

#CCCA9E

accent

#CE54D4

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5257BC

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

Preview Lab → · Contrast checker → · Palette generator →