#515EA4#515EA4

#515EA4 is a mid, moderate blue. Relative luminance 0.124; OKLCH L 50.5% C 0.112 H 273.8°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#515EA4
RGB	rgb(81, 94, 164)
HSL	hsl(231, 34%, 48%)
HSV	hsv(231, 51%, 64%)
CMYK	cmyk(50.6%, 42.7%, 0%, 35.7%)
CIE-LAB	lab(41.90, 15.09, -39.45)
CIE-LCH	lch(41.90, 42.24, 290.93°)
OKLab	oklab(50.47% 0.0074 -0.1118)
OKLCH	oklch(50.47% 0.112 273.8)
XYZ	xyz(14.0948, 12.4342, 36.7721)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EA4 #A49751

analogous

#5188A4 #515EA4 #6D51A4

triadic

#515EA4 #A4515E #5EA451

tetradic

#515EA4 #A45188 #A49751 #51A46D

square

#515EA4 #A45188 #A49751 #51A46D

split-complementary

#515EA4 #A46D51 #88A451

monochromatic

#292F52 #3D477B #515EA4 #7781BC #A0A7D0

Accessibility & contrast

On white

6.02

#515EA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#515EA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EA4

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EA4	#FFFFFF	#000000	##FFFFFF
##515EA4	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4267A7

Deuteranopia (green-blind)

#3A60A2

Tritanopia (blue-blind)

#2F6D79

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515ea4;
/* rgb */ color: rgb(81, 94, 164);
/* oklch */ color: oklch(50.5% 0.112 273.8);

Tailwind

colors: {
  custom: {
    50: '#878bbf',
    500: '#515ea4',
    950: '#000000',
  },
}

SCSS

$custom: #515ea4;
$custom-light: #878bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#515ea4",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 164
  },
  "hsl": {
    "h": 230.602,
    "s": 33.878,
    "l": 48.039
  },
  "oklch": {
    "l": 0.50473,
    "c": 0.11204,
    "h": 273.8
  },
  "luminance": 0.12435
}

Semantic roles & 50–950 ramp

primary

#515EA4

secondary

#BDB794

accent

#B95ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515EA4

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

Preview Lab → · Contrast checker → · Palette generator →