#515EA3#515EA3

#515EA3 is a mid, moderate blue. Relative luminance 0.124; OKLCH L 50.4% C 0.111 H 273.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#515EA3
RGB	rgb(81, 94, 163)
HSL	hsl(230, 34%, 48%)
HSV	hsv(230, 50%, 64%)
CMYK	cmyk(50.3%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(41.84, 14.77, -38.95)
CIE-LCH	lch(41.84, 41.66, 290.77°)
OKLab	oklab(50.41% 0.0072 -0.1103)
OKLCH	oklch(50.41% 0.111 273.7)
XYZ	xyz(14.0048, 12.3982, 36.2984)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EA3 #A39651

analogous

#5187A3 #515EA3 #6D51A3

triadic

#515EA3 #A3515E #5EA351

tetradic

#515EA3 #A35187 #A39651 #51A36D

square

#515EA3 #A35187 #A39651 #51A36D

split-complementary

#515EA3 #A36D51 #87A351

monochromatic

#282F51 #3D467A #515EA3 #7681BB #9FA7CF

Accessibility & contrast

On white

6.03

#515EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#515EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EA3

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EA3	#FFFFFF	#000000	##FFFFFF
##515EA3	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)

#4366A6

Deuteranopia (green-blind)

#3B5FA1

Tritanopia (blue-blind)

#306D78

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #515ea3;
/* rgb */ color: rgb(81, 94, 163);
/* oklch */ color: oklch(50.4% 0.111 273.7);

Tailwind

colors: {
  custom: {
    50: '#878bbe',
    500: '#515ea3',
    950: '#000000',
  },
}

SCSS

$custom: #515ea3;
$custom-light: #878bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#515ea3",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 230.488,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50412,
    "c": 0.11057,
    "h": 273.7
  },
  "luminance": 0.12399
}

Semantic roles & 50–950 ramp

primary

#515EA3

secondary

#BCB693

accent

#B95ECA

background

#F8F8FB

surface

#F0F0F7

border

#CBCBD0

text

#0C0C12

muted

#7D7D81

Preview Lab

Preview with #515EA3

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

Preview Lab → · Contrast checker → · Palette generator →