#515EA6#515EA6

#515EA6 is a mid, moderate blue. Relative luminance 0.125; OKLCH L 50.6% C 0.115 H 273.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#515EA6
RGB	rgb(81, 94, 166)
HSL	hsl(231, 34%, 48%)
HSV	hsv(231, 51%, 65%)
CMYK	cmyk(51.2%, 43.4%, 0%, 34.9%)
CIE-LAB	lab(42.01, 15.74, -40.46)
CIE-LCH	lch(42.01, 43.41, 291.26°)
OKLab	oklab(50.6% 0.0078 -0.1147)
OKLCH	oklch(50.6% 0.115 273.9)
XYZ	xyz(14.2768, 12.5070, 37.7308)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EA6 #A69951

analogous

#5188A6 #515EA6 #6E51A6

triadic

#515EA6 #A6515E #5EA651

tetradic

#515EA6 #A65188 #A69951 #51A66E

square

#515EA6 #A65188 #A69951 #51A66E

split-complementary

#515EA6 #A66E51 #88A651

monochromatic

#292F54 #3D477D #515EA6 #7782BD #A1A8D1

Accessibility & contrast

On white

6.00

#515EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#515EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EA6

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EA6	#FFFFFF	#000000	##FFFFFF
##515EA6	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4167A9

Deuteranopia (green-blind)

#3860A4

Tritanopia (blue-blind)

#2D6D7A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515ea6;
/* rgb */ color: rgb(81, 94, 166);
/* oklch */ color: oklch(50.6% 0.115 273.9);

Tailwind

colors: {
  custom: {
    50: '#878bc1',
    500: '#515ea6',
    950: '#000000',
  },
}

SCSS

$custom: #515ea6;
$custom-light: #878bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#515ea6",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 166
  },
  "hsl": {
    "h": 230.824,
    "s": 34.413,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50595,
    "c": 0.11501,
    "h": 273.9
  },
  "luminance": 0.12508
}

Semantic roles & 50–950 ramp

primary

#515EA6

secondary

#BEB895

accent

#BA5DCA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515EA6

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

Preview Lab → · Contrast checker → · Palette generator →