#5137D9#5137D9

#5137D9 is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 48.0% C 0.230 H 280.6°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#5137D9
RGB	rgb(81, 55, 217)
HSL	hsl(250, 68%, 53%)
HSV	hsv(250, 75%, 85%)
CMYK	cmyk(62.7%, 74.7%, 0%, 14.9%)
CIE-LAB	lab(36.91, 55.18, -78.51)
CIE-LCH	lch(36.91, 95.96, 305.10°)
OKLab	oklab(48.04% 0.0423 -0.2265)
OKLCH	oklch(48.04% 0.23 280.6)
XYZ	xyz(17.2799, 9.4901, 66.5534)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.66

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5137D9 #BFD937

analogous

#376ED9 #5137D9 #A237D9

triadic

#5137D9 #D95137 #37D951

tetradic

#5137D9 #D9376E #BFD937 #37D9A2

square

#5137D9 #D9376E #BFD937 #37D9A2

split-complementary

#5137D9 #D9A237 #6ED937

monochromatic

#28187E #3922B1 #5137D9 #7E6AE3 #AA9EED

Accessibility & contrast

On white

7.25

#5137D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#5137D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5137D9

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5137D9	#FFFFFF	#000000	##FFFFFF
##5137D9	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DDE

Deuteranopia (green-blind)

#0051D6

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #5137d9;
/* rgb */ color: rgb(81, 55, 217);
/* oklch */ color: oklch(48.0% 0.230 280.6);

Tailwind

colors: {
  custom: {
    50: '#9271e6',
    500: '#5137d9',
    950: '#000000',
  },
}

SCSS

$custom: #5137d9;
$custom-light: #9271e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5137d9",
  "rgb": {
    "r": 81,
    "g": 55,
    "b": 217
  },
  "hsl": {
    "h": 249.63,
    "s": 68.067,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48043,
    "c": 0.23046,
    "h": 280.6
  },
  "luminance": 0.09491
}

Semantic roles & 50–950 ramp

primary

#5137D9

secondary

#CED993

accent

#EB3DCF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #5137D9

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

Preview Lab → · Contrast checker → · Palette generator →