#515ABB#515ABB

#515ABB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.2% C 0.151 H 275.7°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#515ABB
RGB	rgb(81, 90, 187)
HSL	hsl(235, 44%, 53%)
HSV	hsv(235, 57%, 73%)
CMYK	cmyk(56.7%, 51.9%, 0%, 26.7%)
CIE-LAB	lab(42.23, 25.19, -52.45)
CIE-LCH	lch(42.23, 58.19, 295.65°)
OKLab	oklab(51.18% 0.015 -0.15)
OKLCH	oklch(51.18% 0.151 275.7)
XYZ	xyz(16.0163, 12.6484, 48.6015)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ABB #BBB251

analogous

#518FBB #515ABB #7D51BB

triadic

#515ABB #BB515A #5ABB51

tetradic

#515ABB #BB518F #BBB251 #51BB7D

square

#515ABB #BB518F #BBB251 #51BB7D

split-complementary

#515ABB #BB7D51 #8FBB51

monochromatic

#292E69 #3A4295 #515ABB #7D84CC #A9ADDD

Accessibility & contrast

On white

5.95

#515ABB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#515ABB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ABB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ABB	#FFFFFF	#000000	##FFFFFF
##515ABB	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2568BE

Deuteranopia (green-blind)

#0F5FB9

Tritanopia (blue-blind)

#137082

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515abb;
/* rgb */ color: rgb(81, 90, 187);
/* oklch */ color: oklch(51.2% 0.151 275.7);

Tailwind

colors: {
  custom: {
    50: '#8b88d0',
    500: '#515abb',
    950: '#000000',
  },
}

SCSS

$custom: #515abb;
$custom-light: #8b88d0;
$custom-dark: #000000;

JSON

{
  "hex": "#515abb",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 187
  },
  "hsl": {
    "h": 234.906,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51175,
    "c": 0.15076,
    "h": 275.7
  },
  "luminance": 0.1265
}

Semantic roles & 50–950 ramp

primary

#515ABB

secondary

#CBC79D

accent

#C954D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #515ABB

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

Preview Lab → · Contrast checker → · Palette generator →