#515ACE#515ACE

#515ACE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.177 H 275.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#515ACE
RGB	rgb(81, 90, 206)
HSL	hsl(236, 56%, 56%)
HSV	hsv(236, 61%, 81%)
CMYK	cmyk(60.7%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(43.53, 31.52, -61.36)
CIE-LCH	lch(43.53, 68.98, 297.19°)
OKLab	oklab(52.57% 0.0159 -0.1762)
OKLCH	oklch(52.57% 0.177 275.2)
XYZ	xyz(18.1864, 13.5165, 60.0311)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ACE #CEC551

analogous

#5199CE #515ACE #8751CE

triadic

#515ACE #CE515A #5ACE51

tetradic

#515ACE #CE5199 #CEC551 #51CE87

square

#515ACE #CE5199 #CEC551 #51CE87

split-complementary

#515ACE #CE8751 #99CE51

monochromatic

#242B80 #323BB0 #515ACE #8187DB #B1B5E9

Accessibility & contrast

On white

5.67

#515ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#515ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ACE

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ACE	#FFFFFF	#000000	##FFFFFF
##515ACE	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#0062CC

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ace;
/* rgb */ color: rgb(81, 90, 206);
/* oklch */ color: oklch(52.6% 0.177 275.2);

Tailwind

colors: {
  custom: {
    50: '#8e88de',
    500: '#515ace',
    950: '#000000',
  },
}

SCSS

$custom: #515ace;
$custom-light: #8e88de;
$custom-dark: #000000;

JSON

{
  "hex": "#515ace",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 235.68,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52565,
    "c": 0.17692,
    "h": 275.2
  },
  "luminance": 0.13518
}

Semantic roles & 50–950 ramp

primary

#515ACE

secondary

#D7D3A4

accent

#D448DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515ACE

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

Preview Lab → · Contrast checker → · Palette generator →