#515DA8#515DA8

#515DA8 is a mid, moderate blue. Relative luminance 0.124; OKLCH L 50.5% C 0.119 H 274.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#515DA8
RGB	rgb(81, 93, 168)
HSL	hsl(232, 35%, 49%)
HSV	hsv(232, 52%, 66%)
CMYK	cmyk(51.8%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(41.85, 17.02, -41.90)
CIE-LCH	lch(41.85, 45.22, 292.11°)
OKLab	oklab(50.51% 0.0093 -0.119)
OKLCH	oklch(50.51% 0.119 274.5)
XYZ	xyz(14.3733, 12.4043, 38.6751)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DA8 #A89C51

analogous

#5189A8 #515DA8 #7151A8

triadic

#515DA8 #A8515D #5DA851

tetradic

#515DA8 #A85189 #A89C51 #51A871

square

#515DA8 #A85189 #A89C51 #51A871

split-complementary

#515DA8 #A87151 #89A851

monochromatic

#292F55 #3D467F #515DA8 #7882BE #A1A8D2

Accessibility & contrast

On white

6.03

#515DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#515DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DA8

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DA8	#FFFFFF	#000000	##FFFFFF
##515DA8	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E67AB

Deuteranopia (green-blind)

#355FA6

Tritanopia (blue-blind)

#2C6D7A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515da8;
/* rgb */ color: rgb(81, 93, 168);
/* oklch */ color: oklch(50.5% 0.119 274.5);

Tailwind

colors: {
  custom: {
    50: '#888ac2',
    500: '#515da8',
    950: '#000000',
  },
}

SCSS

$custom: #515da8;
$custom-light: #888ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#515da8",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 231.724,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50511,
    "c": 0.11933,
    "h": 274.5
  },
  "luminance": 0.12405
}

Semantic roles & 50–950 ramp

primary

#515DA8

secondary

#BFB996

accent

#BC5DCB

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #515DA8

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

Preview Lab → · Contrast checker → · Palette generator →