#515EBF#515EBF

#515EBF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.151 H 274.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#515EBF
RGB	rgb(81, 94, 191)
HSL	hsl(233, 46%, 53%)
HSV	hsv(233, 58%, 75%)
CMYK	cmyk(57.6%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(43.53, 24.00, -52.69)
CIE-LCH	lch(43.53, 57.90, 294.49°)
OKLab	oklab(52.24% 0.0111 -0.1507)
OKLCH	oklch(52.24% 0.151 274.2)
XYZ	xyz(16.7970, 13.5151, 51.0037)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515EBF #BFB251

analogous

#5195BF #515EBF #7B51BF

triadic

#515EBF #BF515E #5EBF51

tetradic

#515EBF #BF5195 #BFB251 #51BF7B

square

#515EBF #BF5195 #BFB251 #51BF7B

split-complementary

#515EBF #BF7B51 #95BF51

monochromatic

#28306D #39449A #515EBF #7E87CF #AAB1E0

Accessibility & contrast

On white

5.67

#515EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#515EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515EBF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515EBF	#FFFFFF	#000000	##FFFFFF
##515EBF	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6CC2

Deuteranopia (green-blind)

#1662BD

Tritanopia (blue-blind)

#057485

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ebf;
/* rgb */ color: rgb(81, 94, 191);
/* oklch */ color: oklch(52.2% 0.151 274.2);

Tailwind

colors: {
  custom: {
    50: '#8b8bd3',
    500: '#515ebf',
    950: '#000000',
  },
}

SCSS

$custom: #515ebf;
$custom-light: #8b8bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#515ebf",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 232.909,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.52239,
    "c": 0.15107,
    "h": 274.2
  },
  "luminance": 0.13516
}

Semantic roles & 50–950 ramp

primary

#515EBF

secondary

#CEC89E

accent

#C652D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #515EBF

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

Preview Lab → · Contrast checker → · Palette generator →