#515FBA#515FBA

#515FBA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.1% C 0.143 H 273.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#515FBA
RGB	rgb(81, 95, 186)
HSL	hsl(232, 43%, 52%)
HSV	hsv(232, 56%, 73%)
CMYK	cmyk(56.5%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(43.47, 21.70, -49.87)
CIE-LCH	lch(43.47, 54.38, 293.51°)
OKLab	oklab(52.1% 0.0095 -0.1423)
OKLCH	oklch(52.1% 0.143 273.8)
XYZ	xyz(16.3456, 13.4777, 48.1850)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FBA #BAAC51

analogous

#5194BA #515FBA #7851BA

triadic

#515FBA #BA515F #5FBA51

tetradic

#515FBA #BA5194 #BAAC51 #51BA78

square

#515FBA #BA5194 #BAAC51 #51BA78

split-complementary

#515FBA #BA7851 #94BA51

monochromatic

#293168 #3A4693 #515FBA #7D87CB #A9B0DD

Accessibility & contrast

On white

5.68

#515FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#515FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FBA

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FBA	#FFFFFF	#000000	##FFFFFF
##515FBA	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326BBD

Deuteranopia (green-blind)

#2362B8

Tritanopia (blue-blind)

#137383

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515fba;
/* rgb */ color: rgb(81, 95, 186);
/* oklch */ color: oklch(52.1% 0.143 273.8);

Tailwind

colors: {
  custom: {
    50: '#8a8ccf',
    500: '#515fba',
    950: '#000000',
  },
}

SCSS

$custom: #515fba;
$custom-light: #8a8ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#515fba",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 232,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52095,
    "c": 0.14267,
    "h": 273.8
  },
  "luminance": 0.13479
}

Semantic roles & 50–950 ramp

primary

#515FBA

secondary

#CAC49D

accent

#C255D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #515FBA

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

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