#5155E8#5155E8

#5155E8 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 53.8% C 0.217 H 275.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5155E8
RGB	rgb(81, 85, 232)
HSL	hsl(238, 77%, 61%)
HSV	hsv(238, 65%, 91%)
CMYK	cmyk(65.1%, 63.4%, 0%, 9%)
CIE-LAB	lab(44.33, 43.18, -74.87)
CIE-LCH	lch(44.33, 86.43, 299.97°)
OKLab	oklab(53.78% 0.0194 -0.2159)
OKLCH	oklch(53.78% 0.217 275.1)
XYZ	xyz(21.2025, 14.0707, 77.9268)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5155E8 #E8E451

analogous

#51A1E8 #5155E8 #9951E8

triadic

#5155E8 #E85155 #55E851

tetradic

#5155E8 #E851A1 #E8E451 #51E899

square

#5155E8 #E851A1 #E8E451 #51E899

split-complementary

#5155E8 #E89951 #A1E851

monochromatic

#161AA8 #1D23DE #5155E8 #878AEF #BDBFF6

Accessibility & contrast

On white

5.51

#5155E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#5155E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5155E8

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5155E8	#FFFFFF	#000000	##FFFFFF
##5155E8	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070ED

Deuteranopia (green-blind)

#0062E5

Tritanopia (blue-blind)

#007B97

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5155e8;
/* rgb */ color: rgb(81, 85, 232);
/* oklch */ color: oklch(53.8% 0.217 275.1);

Tailwind

colors: {
  custom: {
    50: '#9385f0',
    500: '#5155e8',
    950: '#000000',
  },
}

SCSS

$custom: #5155e8;
$custom-light: #9385f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5155e8",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 232
  },
  "hsl": {
    "h": 238.411,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53778,
    "c": 0.21682,
    "h": 275.1
  },
  "luminance": 0.14073
}

Semantic roles & 50–950 ramp

primary

#5155E8

secondary

#E7E5AE

accent

#D30DD9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5155E8

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

Preview Lab → · Contrast checker → · Palette generator →