#5155BE#5155BE

#5155BE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.162 H 277.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#5155BE
RGB	rgb(81, 85, 190)
HSL	hsl(238, 46%, 53%)
HSV	hsv(238, 57%, 75%)
CMYK	cmyk(57.4%, 55.3%, 0%, 25.5%)
CIE-LAB	lab(41.16, 29.33, -55.93)
CIE-LCH	lch(41.16, 63.15, 297.67°)
OKLab	oklab(50.44% 0.0204 -0.1603)
OKLCH	oklch(50.44% 0.162 277.3)
XYZ	xyz(15.9331, 11.9629, 50.1747)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155BE #BEBA51

analogous

#518BBE #5155BE #8351BE

triadic

#5155BE #BE5155 #55BE51

tetradic

#5155BE #BE518B #BEBA51 #51BE83

square

#5155BE #BE518B #BEBA51 #51BE83

split-complementary

#5155BE #BE8351 #8BBE51

monochromatic

#282B6C #393D99 #5155BE #7E81CF #AAACDF

Accessibility & contrast

On white

6.19

#5155BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#5155BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155BE

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155BE	#FFFFFF	#000000	##FFFFFF
##5155BE	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0966C2

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#0E6D81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5155be;
/* rgb */ color: rgb(81, 85, 190);
/* oklch */ color: oklch(50.4% 0.162 277.3);

Tailwind

colors: {
  custom: {
    50: '#8b85d2',
    500: '#5155be',
    950: '#000000',
  },
}

SCSS

$custom: #5155be;
$custom-light: #8b85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5155be",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 190
  },
  "hsl": {
    "h": 237.798,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.50437,
    "c": 0.16159,
    "h": 277.3
  },
  "luminance": 0.11964
}

Semantic roles & 50–950 ramp

primary

#5155BE

secondary

#CDCB9E

accent

#D053D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5155BE

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

Preview Lab → · Contrast checker → · Palette generator →