#5159E6#5159E6

#5159E6 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.3% C 0.210 H 274.5°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5159E6
RGB	rgb(81, 89, 230)
HSL	hsl(237, 75%, 61%)
HSV	hsv(237, 65%, 90%)
CMYK	cmyk(64.8%, 61.3%, 0%, 9.8%)
CIE-LAB	lab(45.09, 40.12, -72.51)
CIE-LCH	lch(45.09, 82.87, 298.96°)
OKLab	oklab(54.28% 0.0165 -0.209)
OKLCH	oklch(54.28% 0.21 274.5)
XYZ	xyz(21.2439, 14.6054, 76.5472)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E6 #E6DE51

analogous

#51A3E6 #5159E6 #9451E6

triadic

#5159E6 #E65159 #59E651

tetradic

#5159E6 #E651A3 #E6DE51 #51E694

square

#5159E6 #E651A3 #E6DE51 #51E694

split-complementary

#5159E6 #E69451 #A3E651

monochromatic

#181FA5 #1F29DA #5159E6 #878CEE #BCBFF5

Accessibility & contrast

On white

5.36

#5159E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#5159E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E6

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E6	#FFFFFF	#000000	##FFFFFF
##5159E6	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EB

Deuteranopia (green-blind)

#0064E3

Tritanopia (blue-blind)

#007D97

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5159e6;
/* rgb */ color: rgb(81, 89, 230);
/* oklch */ color: oklch(54.3% 0.210 274.5);

Tailwind

colors: {
  custom: {
    50: '#9288ef',
    500: '#5159e6',
    950: '#000000',
  },
}

SCSS

$custom: #5159e6;
$custom-light: #9288ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e6",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 230
  },
  "hsl": {
    "h": 236.779,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54281,
    "c": 0.20964,
    "h": 274.5
  },
  "luminance": 0.14607
}

Semantic roles & 50–950 ramp

primary

#5159E6

secondary

#E5E2AD

accent

#CC0ED7

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #5159E6

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

Preview Lab → · Contrast checker → · Palette generator →