#515FA5#515FA5

#515FA5 is a mid, moderate blue. Relative luminance 0.127; OKLCH L 50.7% C 0.112 H 273.2°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#515FA5
RGB	rgb(81, 95, 165)
HSL	hsl(230, 34%, 48%)
HSV	hsv(230, 51%, 65%)
CMYK	cmyk(50.9%, 42.4%, 0%, 35.3%)
CIE-LAB	lab(42.23, 14.78, -39.52)
CIE-LCH	lch(42.23, 42.19, 290.51°)
OKLab	oklab(50.75% 0.0064 -0.112)
OKLCH	oklch(50.75% 0.112 273.2)
XYZ	xyz(14.2749, 12.6495, 37.2794)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FA5 #A59751

analogous

#5189A5 #515FA5 #6D51A5

triadic

#515FA5 #A5515F #5FA551

tetradic

#515FA5 #A55189 #A59751 #51A56D

square

#515FA5 #A55189 #A59751 #51A56D

split-complementary

#515FA5 #A56D51 #89A551

monochromatic

#293053 #3D477C #515FA5 #7783BC #A0A8D0

Accessibility & contrast

On white

5.95

#515FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#515FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FA5

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FA5	#FFFFFF	#000000	##FFFFFF
##515FA5	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4367A8

Deuteranopia (green-blind)

#3A60A3

Tritanopia (blue-blind)

#2E6E7A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515fa5;
/* rgb */ color: rgb(81, 95, 165);
/* oklch */ color: oklch(50.7% 0.112 273.2);

Tailwind

colors: {
  custom: {
    50: '#878cc0',
    500: '#515fa5',
    950: '#000000',
  },
}

SCSS

$custom: #515fa5;
$custom-light: #878cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#515fa5",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 165
  },
  "hsl": {
    "h": 230,
    "s": 34.146,
    "l": 48.235
  },
  "oklch": {
    "l": 0.50745,
    "c": 0.11216,
    "h": 273.2
  },
  "luminance": 0.1265
}

Semantic roles & 50–950 ramp

primary

#515FA5

secondary

#BDB794

accent

#B85ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515FA5

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

Preview Lab → · Contrast checker → · Palette generator →