#5159E0#5159E0

#5159E0 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 53.8% C 0.202 H 274.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#5159E0
RGB	rgb(81, 89, 224)
HSL	hsl(237, 70%, 60%)
HSV	hsv(237, 64%, 88%)
CMYK	cmyk(63.8%, 60.3%, 0%, 12.2%)
CIE-LAB	lab(44.62, 38.13, -69.87)
CIE-LCH	lch(44.62, 79.60, 298.62°)
OKLab	oklab(53.79% 0.0167 -0.2012)
OKLCH	oklch(53.79% 0.202 274.7)
XYZ	xyz(20.4158, 14.2742, 72.1859)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E0 #E0D851

analogous

#51A1E0 #5159E0 #9051E0

triadic

#5159E0 #E05159 #59E051

tetradic

#5159E0 #E051A1 #E0D851 #51E090

square

#5159E0 #E051A1 #E0D851 #51E090

split-complementary

#5159E0 #E09051 #A1E051

monochromatic

#1C239B #252ECF #5159E0 #858BE9 #B9BCF3

Accessibility & contrast

On white

5.45

#5159E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#5159E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E0	#FFFFFF	#000000	##FFFFFF
##5159E0	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E4

Deuteranopia (green-blind)

#0063DD

Tritanopia (blue-blind)

#007B94

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5159e0;
/* rgb */ color: rgb(81, 89, 224);
/* oklch */ color: oklch(53.8% 0.202 274.7);

Tailwind

colors: {
  custom: {
    50: '#9188eb',
    500: '#5159e0',
    950: '#000000',
  },
}

SCSS

$custom: #5159e0;
$custom-light: #9188eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e0",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 224
  },
  "hsl": {
    "h": 236.643,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53794,
    "c": 0.20193,
    "h": 274.7
  },
  "luminance": 0.14276
}

Semantic roles & 50–950 ramp

primary

#5159E0

secondary

#E2DFAB

accent

#E33BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5159E0

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

Preview Lab → · Contrast checker → · Palette generator →