#515BA6#515BA6

#515BA6 is a mid, moderate blue. Relative luminance 0.120; OKLCH L 50.0% C 0.119 H 275.5°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#515BA6
RGB	rgb(81, 91, 166)
HSL	hsl(233, 34%, 48%)
HSV	hsv(233, 51%, 65%)
CMYK	cmyk(51.2%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(41.19, 17.64, -41.77)
CIE-LCH	lch(41.19, 45.34, 292.90°)
OKLab	oklab(49.97% 0.0114 -0.1186)
OKLCH	oklch(49.97% 0.119 275.5)
XYZ	xyz(14.0152, 11.9838, 37.6436)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BA6 #A69C51

analogous

#5185A6 #515BA6 #7151A6

triadic

#515BA6 #A6515B #5BA651

tetradic

#515BA6 #A65185 #A69C51 #51A671

square

#515BA6 #A65185 #A69C51 #51A671

split-complementary

#515BA6 #A67151 #85A651

monochromatic

#292E54 #3D447D #515BA6 #7780BD #A1A6D1

Accessibility & contrast

On white

6.18

#515BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#515BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BA6

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BA6	#FFFFFF	#000000	##FFFFFF
##515BA6	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A9

Deuteranopia (green-blind)

#335EA4

Tritanopia (blue-blind)

#2E6B78

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #515ba6;
/* rgb */ color: rgb(81, 91, 166);
/* oklch */ color: oklch(50.0% 0.119 275.5);

Tailwind

colors: {
  custom: {
    50: '#8789c1',
    500: '#515ba6',
    950: '#000000',
  },
}

SCSS

$custom: #515ba6;
$custom-light: #8789c1;
$custom-dark: #000000;

JSON

{
  "hex": "#515ba6",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 232.941,
    "s": 34.413,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49969,
    "c": 0.11915,
    "h": 275.5
  },
  "luminance": 0.11985
}

Semantic roles & 50–950 ramp

primary

#515BA6

secondary

#BEB995

accent

#BE5DCA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515BA6

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

Preview Lab → · Contrast checker → · Palette generator →