#5159E5#5159E5

#5159E5 is a mid, highly saturated blue. Relative luminance 0.146; OKLCH L 54.2% C 0.208 H 274.5°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#5159E5
RGB	rgb(81, 89, 229)
HSL	hsl(237, 74%, 61%)
HSV	hsv(237, 65%, 90%)
CMYK	cmyk(64.6%, 61.1%, 0%, 10.2%)
CIE-LAB	lab(45.01, 39.79, -72.07)
CIE-LCH	lch(45.01, 82.33, 298.90°)
OKLab	oklab(54.2% 0.0165 -0.2077)
OKLCH	oklch(54.2% 0.208 274.5)
XYZ	xyz(21.1039, 14.5494, 75.8097)
Luminance	0.1455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159E5 #E5DD51

analogous

#51A3E5 #5159E5 #9351E5

triadic

#5159E5 #E55159 #59E551

tetradic

#5159E5 #E551A3 #E5DD51 #51E593

square

#5159E5 #E551A3 #E5DD51 #51E593

split-complementary

#5159E5 #E59351 #A3E551

monochromatic

#1820A3 #202AD8 #5159E5 #868CED #BBBFF5

Accessibility & contrast

On white

5.37

#5159E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#5159E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159E5

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159E5	#FFFFFF	#000000	##FFFFFF
##5159E5	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EA

Deuteranopia (green-blind)

#0064E2

Tritanopia (blue-blind)

#007C97

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5159e5;
/* rgb */ color: rgb(81, 89, 229);
/* oklch */ color: oklch(54.2% 0.208 274.5);

Tailwind

colors: {
  custom: {
    50: '#9288ee',
    500: '#5159e5',
    950: '#000000',
  },
}

SCSS

$custom: #5159e5;
$custom-light: #9288ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5159e5",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 229
  },
  "hsl": {
    "h": 236.757,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.542,
    "c": 0.20837,
    "h": 274.5
  },
  "luminance": 0.14551
}

Semantic roles & 50–950 ramp

primary

#5159E5

secondary

#E5E2AD

accent

#CB0FD6

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5159E5

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

Preview Lab → · Contrast checker → · Palette generator →