#5153BE#5153BE

#5153BE is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.1% C 0.164 H 277.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#5153BE
RGB	rgb(81, 83, 190)
HSL	hsl(239, 46%, 53%)
HSV	hsv(239, 57%, 75%)
CMYK	cmyk(57.4%, 56.3%, 0%, 25.5%)
CIE-LAB	lab(40.66, 30.58, -56.74)
CIE-LCH	lch(40.66, 64.45, 298.32°)
OKLab	oklab(50.07% 0.0225 -0.1627)
OKLCH	oklch(50.07% 0.164 277.9)
XYZ	xyz(15.7779, 11.6524, 50.1229)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5153BE #BEBC51

analogous

#5189BE #5153BE #8551BE

triadic

#5153BE #BE5153 #53BE51

tetradic

#5153BE #BE5189 #BEBC51 #51BE85

square

#5153BE #BE5189 #BEBC51 #51BE85

split-complementary

#5153BE #BE8551 #89BE51

monochromatic

#282A6C #393B99 #5153BE #7E7FCF #AAABDF

Accessibility & contrast

On white

6.30

#5153BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#5153BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5153BE

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5153BE	#FFFFFF	#000000	##FFFFFF
##5153BE	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#0F6C80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5153be;
/* rgb */ color: rgb(81, 83, 190);
/* oklch */ color: oklch(50.1% 0.164 277.9);

Tailwind

colors: {
  custom: {
    50: '#8b83d2',
    500: '#5153be',
    950: '#000000',
  },
}

SCSS

$custom: #5153be;
$custom-light: #8b83d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5153be",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 190
  },
  "hsl": {
    "h": 238.899,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50066,
    "c": 0.16422,
    "h": 277.9
  },
  "luminance": 0.11654
}

Semantic roles & 50–950 ramp

primary

#5153BE

secondary

#CDCC9E

accent

#D353D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5153BE

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

Preview Lab → · Contrast checker → · Palette generator →