#507DDA#507DDA

#507DDA is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.3% C 0.150 H 263.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#507DDA
RGB	rgb(80, 125, 218)
HSL	hsl(220, 65%, 58%)
HSV	hsv(220, 63%, 85%)
CMYK	cmyk(63.3%, 42.7%, 0%, 14.5%)
CIE-LAB	lab(53.42, 13.67, -52.29)
CIE-LCH	lch(53.42, 54.04, 284.65°)
OKLab	oklab(60.3% -0.0178 -0.1491)
OKLCH	oklch(60.3% 0.15 263.2)
XYZ	xyz(23.2924, 21.4325, 69.2255)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DDA #DAAD50

analogous

#50C2DA #507DDA #6850DA

triadic

#507DDA #DA507D #7DDA50

tetradic

#507DDA #DA50C2 #DAAD50 #50DA68

square

#507DDA #DA50C2 #DAAD50 #50DA68

split-complementary

#507DDA #DA6850 #C2DA50

monochromatic

#1F4491 #295CC3 #507DDA #83A3E5 #B5C8EF

Accessibility & contrast

On white

3.97

#507DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#507DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DDA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DDA	#FFFFFF	#000000	##000000
##507DDA	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DE

Deuteranopia (green-blind)

#3D7AD8

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #507dda;
/* rgb */ color: rgb(80, 125, 218);
/* oklch */ color: oklch(60.3% 0.150 263.2);

Tailwind

colors: {
  custom: {
    50: '#8ea2e6',
    500: '#507dda',
    950: '#000000',
  },
}

SCSS

$custom: #507dda;
$custom-light: #8ea2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#507dda",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 218
  },
  "hsl": {
    "h": 220.435,
    "s": 65.094,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60296,
    "c": 0.15018,
    "h": 263.2
  },
  "luminance": 0.21435
}

Semantic roles & 50–950 ramp

primary

#507DDA

secondary

#DECCA8

accent

#B140E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #507DDA

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

Preview Lab → · Contrast checker → · Palette generator →