#515AA3#515AA3

#515AA3 is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.6% C 0.116 H 276.0°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#515AA3
RGB	rgb(81, 90, 163)
HSL	hsl(233, 34%, 48%)
HSV	hsv(233, 50%, 64%)
CMYK	cmyk(50.3%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(40.74, 17.31, -40.70)
CIE-LCH	lch(40.74, 44.22, 293.04°)
OKLab	oklab(49.57% 0.0122 -0.1155)
OKLCH	oklch(49.57% 0.116 276)
XYZ	xyz(13.6583, 11.7052, 36.1829)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AA3 #A39A51

analogous

#5183A3 #515AA3 #7151A3

triadic

#515AA3 #A3515A #5AA351

tetradic

#515AA3 #A35183 #A39A51 #51A371

square

#515AA3 #A35183 #A39A51 #51A371

split-complementary

#515AA3 #A37151 #83A351

monochromatic

#282D51 #3D437A #515AA3 #767EBB #9FA4CF

Accessibility & contrast

On white

6.29

#515AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#515AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AA3

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AA3	#FFFFFF	#000000	##FFFFFF
##515AA3	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A6

Deuteranopia (green-blind)

#345DA1

Tritanopia (blue-blind)

#306A76

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #515aa3;
/* rgb */ color: rgb(81, 90, 163);
/* oklch */ color: oklch(49.6% 0.116 276.0);

Tailwind

colors: {
  custom: {
    50: '#8788bf',
    500: '#515aa3',
    950: '#000000',
  },
}

SCSS

$custom: #515aa3;
$custom-light: #8788bf;
$custom-dark: #000000;

JSON

{
  "hex": "#515aa3",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 233.415,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49573,
    "c": 0.11611,
    "h": 276
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#515AA3

secondary

#BCB893

accent

#BE5ECA

background

#F8F8FB

surface

#F0EFF7

border

#CBCAD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515AA3

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

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