#5153BC#5153BC

#5153BC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.161 H 278.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#5153BC
RGB	rgb(81, 83, 188)
HSL	hsl(239, 44%, 53%)
HSV	hsv(239, 57%, 74%)
CMYK	cmyk(56.9%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(40.52, 29.92, -55.80)
CIE-LCH	lch(40.52, 63.31, 298.20°)
OKLab	oklab(49.92% 0.0224 -0.1599)
OKLCH	oklch(49.92% 0.161 278)
XYZ	xyz(15.5608, 11.5656, 48.9796)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153BC #BCBA51

analogous

#5188BC #5153BC #8551BC

triadic

#5153BC #BC5153 #53BC51

tetradic

#5153BC #BC5188 #BCBA51 #51BC85

square

#5153BC #BC5188 #BCBA51 #51BC85

split-complementary

#5153BC #BC8551 #88BC51

monochromatic

#292A6A #3A3B96 #5153BC #7D7FCD #A9AADE

Accessibility & contrast

On white

6.34

#5153BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#5153BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153BC

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153BC	#FFFFFF	#000000	##FFFFFF
##5153BC	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0264C0

Deuteranopia (green-blind)

#005BBA

Tritanopia (blue-blind)

#146B7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5153bc;
/* rgb */ color: rgb(81, 83, 188);
/* oklch */ color: oklch(49.9% 0.161 278.0);

Tailwind

colors: {
  custom: {
    50: '#8b83d1',
    500: '#5153bc',
    950: '#000000',
  },
}

SCSS

$custom: #5153bc;
$custom-light: #8b83d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5153bc",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 238.879,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49916,
    "c": 0.16149,
    "h": 278
  },
  "luminance": 0.11567
}

Semantic roles & 50–950 ramp

primary

#5153BC

secondary

#CCCB9D

accent

#D254D4

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5153BC

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

Preview Lab → · Contrast checker → · Palette generator →