#515A9D#515A9D

#515A9D is a mid, moderate blue. Relative luminance 0.115; OKLCH L 49.2% C 0.107 H 276.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#515A9D
RGB	rgb(81, 90, 157)
HSL	hsl(233, 32%, 47%)
HSV	hsv(233, 48%, 62%)
CMYK	cmyk(48.4%, 42.7%, 0%, 38.4%)
CIE-LAB	lab(40.40, 15.38, -37.66)
CIE-LCH	lch(40.40, 40.68, 292.21°)
OKLab	oklab(49.2% 0.0111 -0.1066)
OKLCH	oklch(49.2% 0.107 276)
XYZ	xyz(13.1334, 11.4952, 33.4185)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515A9D #9D9451

analogous

#51809D #515A9D #6E519D

triadic

#515A9D #9D515A #5A9D51

tetradic

#515A9D #9D5180 #9D9451 #519D6E

square

#515A9D #9D5180 #9D9451 #519D6E

split-complementary

#515A9D #9D6E51 #809D51

monochromatic

#272C4C #3C4375 #515A9D #747CB7 #9CA2CC

Accessibility & contrast

On white

6.37

#515A9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#515A9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515A9D

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515A9D	#FFFFFF	#000000	##FFFFFF
##515A9D	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4062A0

Deuteranopia (green-blind)

#395C9B

Tritanopia (blue-blind)

#356874

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #515a9d;
/* rgb */ color: rgb(81, 90, 157);
/* oklch */ color: oklch(49.2% 0.107 276.0);

Tailwind

colors: {
  custom: {
    50: '#8688ba',
    500: '#515a9d',
    950: '#000000',
  },
}

SCSS

$custom: #515a9d;
$custom-light: #8688ba;
$custom-dark: #000000;

JSON

{
  "hex": "#515a9d",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 157
  },
  "hsl": {
    "h": 232.895,
    "s": 31.933,
    "l": 46.667
  },
  "oklch": {
    "l": 0.49201,
    "c": 0.10717,
    "h": 276
  },
  "luminance": 0.11496
}

Semantic roles & 50–950 ramp

primary

#515A9D

secondary

#B9B491

accent

#BC60C8

background

#F8F8FB

surface

#F0EFF6

border

#CBCAD0

text

#0B0B11

muted

#7C7C80

Preview Lab

Preview with #515A9D

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

Preview Lab → · Contrast checker → · Palette generator →