#507DDF#507DDF

#507DDF is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.6% C 0.157 H 263.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#507DDF
RGB	rgb(80, 125, 223)
HSL	hsl(221, 69%, 59%)
HSV	hsv(221, 64%, 87%)
CMYK	cmyk(64.1%, 43.9%, 0%, 12.5%)
CIE-LAB	lab(53.71, 15.38, -54.64)
CIE-LCH	lch(53.71, 56.77, 285.72°)
OKLab	oklab(60.61% -0.017 -0.156)
OKLCH	oklch(60.61% 0.157 263.8)
XYZ	xyz(23.9565, 21.6982, 72.7234)
Luminance	0.2170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DDF #DFB250

analogous

#50C4DF #507DDF #6B50DF

triadic

#507DDF #DF507D #7DDF50

tetradic

#507DDF #DF50C4 #DFB250 #50DF6B

square

#507DDF #DF50C4 #DFB250 #50DF6B

split-complementary

#507DDF #DF6B50 #C4DF50

monochromatic

#1C4399 #255ACC #507DDF #84A3E8 #B7CAF2

Accessibility & contrast

On white

3.93

#507DDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#507DDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DDF

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DDF	#FFFFFF	#000000	##000000
##507DDF	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E87E3

Deuteranopia (green-blind)

#377ADD

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #507ddf;
/* rgb */ color: rgb(80, 125, 223);
/* oklch */ color: oklch(60.6% 0.157 263.8);

Tailwind

colors: {
  custom: {
    50: '#8ea2e9',
    500: '#507ddf',
    950: '#000000',
  },
}

SCSS

$custom: #507ddf;
$custom-light: #8ea2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#507ddf",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 223
  },
  "hsl": {
    "h": 221.119,
    "s": 69.082,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60608,
    "c": 0.15696,
    "h": 263.8
  },
  "luminance": 0.217
}

Semantic roles & 50–950 ramp

primary

#507DDF

secondary

#E1D0AA

accent

#B53CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #507DDF

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

Preview Lab → · Contrast checker → · Palette generator →