#515AC5#515AC5

#515AC5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.165 H 275.4°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#515AC5
RGB	rgb(81, 90, 197)
HSL	hsl(235, 50%, 55%)
HSV	hsv(235, 59%, 77%)
CMYK	cmyk(58.9%, 54.3%, 0%, 22.7%)
CIE-LAB	lab(42.90, 28.51, -57.18)
CIE-LCH	lch(42.90, 63.90, 296.50°)
OKLab	oklab(51.89% 0.0156 -0.1639)
OKLCH	oklch(51.89% 0.165 275.4)
XYZ	xyz(17.1243, 13.0916, 54.4370)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AC5 #C5BC51

analogous

#5194C5 #515AC5 #8251C5

triadic

#515AC5 #C5515A #5AC551

tetradic

#515AC5 #C55194 #C5BC51 #51C582

square

#515AC5 #C55194 #C5BC51 #51C582

split-complementary

#515AC5 #C58251 #94C551

monochromatic

#272D75 #363FA3 #515AC5 #7F86D4 #ADB1E4

Accessibility & contrast

On white

5.80

#515AC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#515AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AC5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AC5	#FFFFFF	#000000	##FFFFFF
##515AC5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#116AC9

Deuteranopia (green-blind)

#0061C3

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515ac5;
/* rgb */ color: rgb(81, 90, 197);
/* oklch */ color: oklch(51.9% 0.165 275.4);

Tailwind

colors: {
  custom: {
    50: '#8c88d7',
    500: '#515ac5',
    950: '#000000',
  },
}

SCSS

$custom: #515ac5;
$custom-light: #8c88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#515ac5",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 197
  },
  "hsl": {
    "h": 235.345,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51894,
    "c": 0.16466,
    "h": 275.4
  },
  "luminance": 0.13093
}

Semantic roles & 50–950 ramp

primary

#515AC5

secondary

#D1CEA0

accent

#CF4EDA

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515AC5

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

Preview Lab → · Contrast checker → · Palette generator →