#5158B2#5158B2

#5158B2 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.2% C 0.141 H 276.7°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5158B2
RGB	rgb(81, 88, 178)
HSL	hsl(236, 39%, 51%)
HSV	hsv(236, 54%, 70%)
CMYK	cmyk(54.5%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(41.12, 23.47, -48.96)
CIE-LCH	lch(41.12, 54.29, 295.62°)
OKLab	oklab(50.16% 0.0165 -0.1398)
OKLCH	oklch(50.16% 0.141 276.7)
XYZ	xyz(14.9164, 11.9422, 43.6299)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158B2 #B2AB51

analogous

#5188B2 #5158B2 #7A51B2

triadic

#5158B2 #B25158 #58B251

tetradic

#5158B2 #B25188 #B2AB51 #51B27A

square

#5158B2 #B25188 #B2AB51 #51B27A

split-complementary

#5158B2 #B27A51 #88B251

monochromatic

#2A2E5F #3D4289 #5158B2 #7B81C5 #A6A9D8

Accessibility & contrast

On white

6.20

#5158B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#5158B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158B2

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158B2	#FFFFFF	#000000	##FFFFFF
##5158B2	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B65B5

Deuteranopia (green-blind)

#1E5DB0

Tritanopia (blue-blind)

#226C7C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5158b2;
/* rgb */ color: rgb(81, 88, 178);
/* oklch */ color: oklch(50.2% 0.141 276.7);

Tailwind

colors: {
  custom: {
    50: '#8987ca',
    500: '#5158b2',
    950: '#000000',
  },
}

SCSS

$custom: #5158b2;
$custom-light: #8987ca;
$custom-dark: #000000;

JSON

{
  "hex": "#5158b2",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 235.67,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.50156,
    "c": 0.14071,
    "h": 276.7
  },
  "luminance": 0.11943
}

Semantic roles & 50–950 ramp

primary

#5158B2

secondary

#C5C29A

accent

#C659CF

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #5158B2

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

Preview Lab → · Contrast checker → · Palette generator →