#5155D2#5155D2

#5155D2 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 52.0% C 0.189 H 276.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5155D2
RGB	rgb(81, 85, 210)
HSL	hsl(238, 59%, 57%)
HSV	hsv(238, 61%, 82%)
CMYK	cmyk(61.4%, 59.5%, 0%, 17.6%)
CIE-LAB	lab(42.61, 35.94, -65.15)
CIE-LCH	lch(42.61, 74.41, 298.88°)
OKLab	oklab(51.97% 0.0205 -0.1874)
OKLCH	oklch(51.97% 0.189 276.2)
XYZ	xyz(18.2709, 12.8980, 62.4870)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155D2 #D2CE51

analogous

#5195D2 #5155D2 #8E51D2

triadic

#5155D2 #D25155 #55D251

tetradic

#5155D2 #D25195 #D2CE51 #51D28E

square

#5155D2 #D25195 #D2CE51 #51D28E

split-complementary

#5155D2 #D28E51 #95D251

monochromatic

#232686 #2F33B7 #5155D2 #8285DF #B2B4EB

Accessibility & contrast

On white

5.87

#5155D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5155D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155D2

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155D2	#FFFFFF	#000000	##FFFFFF
##5155D2	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD6

Deuteranopia (green-blind)

#005FCF

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5155d2;
/* rgb */ color: rgb(81, 85, 210);
/* oklch */ color: oklch(52.0% 0.189 276.2);

Tailwind

colors: {
  custom: {
    50: '#8f85e1',
    500: '#5155d2',
    950: '#000000',
  },
}

SCSS

$custom: #5155d2;
$custom-light: #8f85e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5155d2",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 210
  },
  "hsl": {
    "h": 238.14,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.51973,
    "c": 0.18853,
    "h": 276.2
  },
  "luminance": 0.12899
}

Semantic roles & 50–950 ramp

primary

#5155D2

secondary

#DAD8A5

accent

#DD46E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5155D2

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

Preview Lab → · Contrast checker → · Palette generator →