#507BE9#507BE9

#507BE9 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.8% C 0.173 H 265.5°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#507BE9
RGB	rgb(80, 123, 233)
HSL	hsl(223, 78%, 61%)
HSV	hsv(223, 66%, 91%)
CMYK	cmyk(65.7%, 47.2%, 0%, 8.6%)
CIE-LAB	lab(53.76, 20.06, -60.15)
CIE-LCH	lch(53.76, 63.41, 288.44°)
OKLab	oklab(60.84% -0.0135 -0.1723)
OKLCH	oklch(60.84% 0.173 265.5)
XYZ	xyz(25.0941, 21.7522, 79.9511)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BE9 #E9BE50

analogous

#50C8E9 #507BE9 #7250E9

triadic

#507BE9 #E9507B #7BE950

tetradic

#507BE9 #E950C8 #E9BE50 #50E972

square

#507BE9 #E950C8 #E9BE50 #50E972

split-complementary

#507BE9 #E97250 #C8E950

monochromatic

#153FA9 #1C53E0 #507BE9 #86A4F0 #BDCDF7

Accessibility & contrast

On white

3.92

#507BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#507BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BE9

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BE9	#FFFFFF	#000000	##000000
##507BE9	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4288ED

Deuteranopia (green-blind)

#207AE7

Tritanopia (blue-blind)

#0095A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #507be9;
/* rgb */ color: rgb(80, 123, 233);
/* oklch */ color: oklch(60.8% 0.173 265.5);

Tailwind

colors: {
  custom: {
    50: '#90a0f1',
    500: '#507be9',
    950: '#000000',
  },
}

SCSS

$custom: #507be9;
$custom-light: #90a0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#507be9",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 233
  },
  "hsl": {
    "h": 223.137,
    "s": 77.665,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60844,
    "c": 0.1728,
    "h": 265.5
  },
  "luminance": 0.21755
}

Semantic roles & 50–950 ramp

primary

#507BE9

secondary

#E7D7AE

accent

#A00CDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #507BE9

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

Preview Lab → · Contrast checker → · Palette generator →