#515BBE#515BBE

#515BBE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.154 H 275.3°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#515BBE
RGB	rgb(81, 91, 190)
HSL	hsl(234, 46%, 53%)
HSV	hsv(234, 57%, 75%)
CMYK	cmyk(57.4%, 52.1%, 0%, 25.5%)
CIE-LAB	lab(42.68, 25.55, -53.47)
CIE-LCH	lch(42.68, 59.26, 295.54°)
OKLab	oklab(51.58% 0.0142 -0.153)
OKLCH	oklch(51.58% 0.154 275.3)
XYZ	xyz(16.4257, 12.9480, 50.3389)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BBE #BEB451

analogous

#5192BE #515BBE #7D51BE

triadic

#515BBE #BE515B #5BBE51

tetradic

#515BBE #BE5192 #BEB451 #51BE7D

square

#515BBE #BE5192 #BEB451 #51BE7D

split-complementary

#515BBE #BE7D51 #92BE51

monochromatic

#282F6C #394299 #515BBE #7E85CF #AAAFDF

Accessibility & contrast

On white

5.85

#515BBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#515BBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BBE

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BBE	#FFFFFF	#000000	##FFFFFF
##515BBE	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236AC1

Deuteranopia (green-blind)

#0960BC

Tritanopia (blue-blind)

#0B7284

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #515bbe;
/* rgb */ color: rgb(81, 91, 190);
/* oklch */ color: oklch(51.6% 0.154 275.3);

Tailwind

colors: {
  custom: {
    50: '#8b89d2',
    500: '#515bbe',
    950: '#000000',
  },
}

SCSS

$custom: #515bbe;
$custom-light: #8b89d2;
$custom-dark: #000000;

JSON

{
  "hex": "#515bbe",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 190
  },
  "hsl": {
    "h": 234.495,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51582,
    "c": 0.15364,
    "h": 275.3
  },
  "luminance": 0.12949
}

Semantic roles & 50–950 ramp

primary

#515BBE

secondary

#CDC99E

accent

#C953D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #515BBE

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

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