#515CDA#515CDA

#515CDA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.8% C 0.190 H 274.3°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#515CDA
RGBrgb(81, 92, 218)
HSLhsl(235, 65%, 59%)
HSVhsv(235, 63%, 85%)
CMYKcmyk(62.8%, 57.8%, 0%, 14.5%)
CIE-LABlab(44.89, 34.29, -66.02)
CIE-LCHlch(44.89, 74.40, 297.45°)
OKLaboklab(53.85% 0.0142 -0.1899)
OKLCHoklch(53.85% 0.19 274.3)
XYZxyz(19.8712, 14.4639, 68.0607)
Luminance0.1447 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#515CDA #DACF51
analogous
#51A1DA #515CDA #8A51DA
triadic
#515CDA #DA515C #5CDA51
tetradic
#515CDA #DA51A1 #DACF51 #51DA8A
square
#515CDA #DA51A1 #DACF51 #51DA8A
split-complementary
#515CDA #DA8A51 #A1DA51
monochromatic
#1F2892 #2A36C4 #515CDA #838BE5 #B6BBEF

Accessibility & contrast

On white

5.39
#515CDA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.89
#515CDA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CDA
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##515CDA#FFFFFF#000000##FFFFFF
##515CDA1.005.393.895.39
#FFFFFF5.391.0021.001.00
#0000003.8921.001.0021.00
##FFFFFF5.391.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0070DE
Deuteranopia (green-blind)
#0064D7
Tritanopia (blue-blind)
#007B92
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #515cda;
/* rgb */ color: rgb(81, 92, 218);
/* oklch */ color: oklch(53.8% 0.190 274.3);
Tailwind
colors: {
  custom: {
    50: '#908ae6',
    500: '#515cda',
    950: '#000000',
  },
}
SCSS
$custom: #515cda;
$custom-light: #908ae6;
$custom-dark: #000000;
JSON
{
  "hex": "#515cda",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 218
  },
  "hsl": {
    "h": 235.182,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5385,
    "c": 0.19043,
    "h": 274.3
  },
  "luminance": 0.14466
}

Semantic roles & 50–950 ramp

primary
#515CDA
secondary
#DEDAA8
accent
#DA40E8
background
#F9F8FE
surface
#F2F0FC
border
#CCCBD5
text
#0E0B16
muted
#7E7C84

Preview Lab

Preview with #515CDA

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

Preview Lab → · Contrast checker → · Palette generator →

#515CDA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva