#5159D2#5159D2

#5159D2 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.7% C 0.184 H 275.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5159D2
RGB	rgb(81, 89, 210)
HSL	hsl(236, 59%, 57%)
HSV	hsv(236, 61%, 82%)
CMYK	cmyk(61.4%, 57.6%, 0%, 17.6%)
CIE-LAB	lab(43.57, 33.47, -63.58)
CIE-LCH	lch(43.57, 71.86, 297.76°)
OKLab	oklab(52.69% 0.0169 -0.1828)
OKLCH	oklch(52.69% 0.184 275.3)
XYZ	xyz(18.5948, 13.5457, 62.5950)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159D2 #D2CA51

analogous

#519AD2 #5159D2 #8A51D2

triadic

#5159D2 #D25159 #59D251

tetradic

#5159D2 #D2519A #D2CA51 #51D28A

square

#5159D2 #D2519A #D2CA51 #51D28A

split-complementary

#5159D2 #D28A51 #9AD251

monochromatic

#232986 #2F38B7 #5159D2 #8287DF #B2B6EB

Accessibility & contrast

On white

5.66

#5159D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#5159D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159D2

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159D2	#FFFFFF	#000000	##FFFFFF
##5159D2	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#0061D0

Tritanopia (blue-blind)

#00768D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5159d2;
/* rgb */ color: rgb(81, 89, 210);
/* oklch */ color: oklch(52.7% 0.184 275.3);

Tailwind

colors: {
  custom: {
    50: '#8e88e1',
    500: '#5159d2',
    950: '#000000',
  },
}

SCSS

$custom: #5159d2;
$custom-light: #8e88e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5159d2",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 210
  },
  "hsl": {
    "h": 236.279,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52688,
    "c": 0.18355,
    "h": 275.3
  },
  "luminance": 0.13547
}

Semantic roles & 50–950 ramp

primary

#5159D2

secondary

#DAD6A5

accent

#D846E2

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5159D2

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

Preview Lab → · Contrast checker → · Palette generator →