#5158CA#5158CA

#5158CA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.9% C 0.174 H 275.9°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5158CA
RGB	rgb(81, 88, 202)
HSL	hsl(237, 53%, 55%)
HSV	hsv(237, 60%, 79%)
CMYK	cmyk(59.9%, 56.4%, 0%, 20.8%)
CIE-LAB	lab(42.75, 31.43, -60.32)
CIE-LCH	lch(42.75, 68.01, 297.52°)
OKLab	oklab(51.89% 0.0177 -0.1732)
OKLCH	oklch(51.89% 0.174 275.9)
XYZ	xyz(17.5403, 12.9917, 57.4490)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158CA #CAC351

analogous

#5194CA #5158CA #8651CA

triadic

#5158CA #CA5158 #58CA51

tetradic

#5158CA #CA5194 #CAC351 #51CA86

square

#5158CA #CA5194 #CAC351 #51CA86

split-complementary

#5158CA #CA8651 #94CA51

monochromatic

#252A7B #343BAA #5158CA #8085D8 #AFB2E7

Accessibility & contrast

On white

5.84

#5158CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#5158CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158CA

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158CA	#FFFFFF	#000000	##FFFFFF
##5158CA	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5158ca;
/* rgb */ color: rgb(81, 88, 202);
/* oklch */ color: oklch(51.9% 0.174 275.9);

Tailwind

colors: {
  custom: {
    50: '#8d87db',
    500: '#5158ca',
    950: '#000000',
  },
}

SCSS

$custom: #5158ca;
$custom-light: #8d87db;
$custom-dark: #000000;

JSON

{
  "hex": "#5158ca",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 202
  },
  "hsl": {
    "h": 236.529,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51893,
    "c": 0.17407,
    "h": 275.9
  },
  "luminance": 0.12993
}

Semantic roles & 50–950 ramp

primary

#5158CA

secondary

#D5D2A2

accent

#D44BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5158CA

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

Preview Lab → · Contrast checker → · Palette generator →