#515EA8#515EA8

#515EA8 is a mid, moderate blue. Relative luminance 0.126; OKLCH L 50.7% C 0.118 H 273.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#515EA8
RGB	rgb(81, 94, 168)
HSL	hsl(231, 35%, 49%)
HSV	hsv(231, 52%, 66%)
CMYK	cmyk(51.8%, 44%, 0%, 34.1%)
CIE-LAB	lab(42.13, 16.39, -41.46)
CIE-LCH	lch(42.13, 44.58, 291.57°)
OKLab	oklab(50.72% 0.0081 -0.1177)
OKLCH	oklch(50.72% 0.118 273.9)
XYZ	xyz(14.4617, 12.5810, 38.7045)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EA8 #A89B51

analogous

#518AA8 #515EA8 #7051A8

triadic

#515EA8 #A8515E #5EA851

tetradic

#515EA8 #A8518A #A89B51 #51A870

square

#515EA8 #A8518A #A89B51 #51A870

split-complementary

#515EA8 #A87051 #8AA851

monochromatic

#293055 #3D477F #515EA8 #7883BE #A1A9D2

Accessibility & contrast

On white

5.97

#515EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#515EA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EA8

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EA8	#FFFFFF	#000000	##FFFFFF
##515EA8	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F67AB

Deuteranopia (green-blind)

#3660A6

Tritanopia (blue-blind)

#2C6E7B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515ea8;
/* rgb */ color: rgb(81, 94, 168);
/* oklch */ color: oklch(50.7% 0.118 273.9);

Tailwind

colors: {
  custom: {
    50: '#888bc2',
    500: '#515ea8',
    950: '#000000',
  },
}

SCSS

$custom: #515ea8;
$custom-light: #888bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#515ea8",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 168
  },
  "hsl": {
    "h": 231.034,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5072,
    "c": 0.11796,
    "h": 273.9
  },
  "luminance": 0.12582
}

Semantic roles & 50–950 ramp

primary

#515EA8

secondary

#BFB996

accent

#BB5DCB

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515EA8

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

Preview Lab → · Contrast checker → · Palette generator →