#515FA8#515FA8

#515FA8 is a mid, moderate blue. Relative luminance 0.128; OKLCH L 50.9% C 0.117 H 273.4°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#515FA8
RGB	rgb(81, 95, 168)
HSL	hsl(230, 35%, 49%)
HSV	hsv(230, 52%, 66%)
CMYK	cmyk(51.8%, 43.5%, 0%, 34.1%)
CIE-LAB	lab(42.40, 15.76, -41.02)
CIE-LCH	lch(42.40, 43.95, 291.01°)
OKLab	oklab(50.93% 0.0069 -0.1164)
OKLCH	oklch(50.93% 0.117 273.4)
XYZ	xyz(14.5512, 12.7600, 38.7344)
Luminance	0.1276 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FA8 #A89A51

analogous

#518BA8 #515FA8 #6F51A8

triadic

#515FA8 #A8515F #5FA851

tetradic

#515FA8 #A8518B #A89A51 #51A86F

square

#515FA8 #A8518B #A89A51 #51A86F

split-complementary

#515FA8 #A86F51 #8BA851

monochromatic

#293055 #3D487F #515FA8 #7883BE #A1A9D2

Accessibility & contrast

On white

5.91

#515FA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#515FA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FA8

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FA8	#FFFFFF	#000000	##FFFFFF
##515FA8	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4168AB

Deuteranopia (green-blind)

#3861A6

Tritanopia (blue-blind)

#2B6F7B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #515fa8;
/* rgb */ color: rgb(81, 95, 168);
/* oklch */ color: oklch(50.9% 0.117 273.4);

Tailwind

colors: {
  custom: {
    50: '#888cc2',
    500: '#515fa8',
    950: '#000000',
  },
}

SCSS

$custom: #515fa8;
$custom-light: #888cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#515fa8",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 168
  },
  "hsl": {
    "h": 230.345,
    "s": 34.94,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50929,
    "c": 0.11659,
    "h": 273.4
  },
  "luminance": 0.12761
}

Semantic roles & 50–950 ramp

primary

#515FA8

secondary

#BFB896

accent

#B95DCB

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515FA8

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

Preview Lab → · Contrast checker → · Palette generator →