#515EA5#515EA5

#515EA5 is a mid, moderate blue. Relative luminance 0.125; OKLCH L 50.5% C 0.114 H 273.8°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#515EA5
RGB	rgb(81, 94, 165)
HSL	hsl(231, 34%, 48%)
HSV	hsv(231, 51%, 65%)
CMYK	cmyk(50.9%, 43%, 0%, 35.3%)
CIE-LAB	lab(41.95, 15.42, -39.96)
CIE-LCH	lch(41.95, 42.83, 291.10°)
OKLab	oklab(50.53% 0.0076 -0.1133)
OKLCH	oklch(50.53% 0.114 273.8)
XYZ	xyz(14.1854, 12.4705, 37.2496)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EA5 #A59851

analogous

#5188A5 #515EA5 #6E51A5

triadic

#515EA5 #A5515E #5EA551

tetradic

#515EA5 #A55188 #A59851 #51A56E

square

#515EA5 #A55188 #A59851 #51A56E

split-complementary

#515EA5 #A56E51 #88A551

monochromatic

#292F53 #3D477C #515EA5 #7782BC #A0A8D0

Accessibility & contrast

On white

6.01

#515EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#515EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EA5

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EA5	#FFFFFF	#000000	##FFFFFF
##515EA5	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4167A8

Deuteranopia (green-blind)

#3960A3

Tritanopia (blue-blind)

#2E6D79

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515ea5;
/* rgb */ color: rgb(81, 94, 165);
/* oklch */ color: oklch(50.5% 0.114 273.8);

Tailwind

colors: {
  custom: {
    50: '#878bc0',
    500: '#515ea5',
    950: '#000000',
  },
}

SCSS

$custom: #515ea5;
$custom-light: #878bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#515ea5",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 165
  },
  "hsl": {
    "h": 230.714,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50534,
    "c": 0.11353,
    "h": 273.8
  },
  "luminance": 0.12471
}

Semantic roles & 50–950 ramp

primary

#515EA5

secondary

#BDB794

accent

#B95ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515EA5

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

Preview Lab → · Contrast checker → · Palette generator →