#507BD5#507BD5

#507BD5 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.6% C 0.146 H 263.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#507BD5
RGB	rgb(80, 123, 213)
HSL	hsl(221, 61%, 57%)
HSV	hsv(221, 62%, 84%)
CMYK	cmyk(62.4%, 42.3%, 0%, 16.5%)
CIE-LAB	lab(52.59, 13.18, -50.79)
CIE-LCH	lch(52.59, 52.47, 284.55°)
OKLab	oklab(59.57% -0.0168 -0.1447)
OKLCH	oklch(59.57% 0.146 263.4)
XYZ	xyz(22.3973, 20.6735, 65.7480)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BD5 #D5AA50

analogous

#50BDD5 #507BD5 #6850D5

triadic

#507BD5 #D5507B #7BD550

tetradic

#507BD5 #D550BD #D5AA50 #50D568

square

#507BD5 #D550BD #D5AA50 #50D568

split-complementary

#507BD5 #D56850 #BDD550

monochromatic

#21438A #2D5BBB #507BD5 #81A0E1 #B3C5ED

Accessibility & contrast

On white

4.09

#507BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#507BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BD5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BD5	#FFFFFF	#000000	##000000
##507BD5	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5284D8

Deuteranopia (green-blind)

#3E78D3

Tritanopia (blue-blind)

#008F9D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #507bd5;
/* rgb */ color: rgb(80, 123, 213);
/* oklch */ color: oklch(59.6% 0.146 263.4);

Tailwind

colors: {
  custom: {
    50: '#8da0e2',
    500: '#507bd5',
    950: '#000000',
  },
}

SCSS

$custom: #507bd5;
$custom-light: #8da0e2;
$custom-dark: #000000;

JSON

{
  "hex": "#507bd5",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 213
  },
  "hsl": {
    "h": 220.602,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.59566,
    "c": 0.14571,
    "h": 263.4
  },
  "luminance": 0.20675
}

Semantic roles & 50–950 ramp

primary

#507BD5

secondary

#DBCAA6

accent

#B043E4

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #507BD5

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

Preview Lab → · Contrast checker → · Palette generator →