#507DDD#507DDD

#507DDD is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.154 H 263.6°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#507DDD
RGB	rgb(80, 125, 221)
HSL	hsl(221, 67%, 59%)
HSV	hsv(221, 64%, 87%)
CMYK	cmyk(63.8%, 43.4%, 0%, 13.3%)
CIE-LAB	lab(53.59, 14.70, -53.70)
CIE-LCH	lch(53.59, 55.68, 285.31°)
OKLab	oklab(60.48% -0.0173 -0.1533)
OKLCH	oklch(60.48% 0.154 263.6)
XYZ	xyz(23.6885, 21.5910, 71.3117)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DDD #DDB050

analogous

#50C4DD #507DDD #6A50DD

triadic

#507DDD #DD507D #7DDD50

tetradic

#507DDD #DD50C4 #DDB050 #50DD6A

square

#507DDD #DD50C4 #DDB050 #50DD6A

split-complementary

#507DDD #DD6A50 #C4DD50

monochromatic

#1D4496 #275BC9 #507DDD #83A3E7 #B6C9F1

Accessibility & contrast

On white

3.95

#507DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#507DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DDD

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DDD	#FFFFFF	#000000	##000000
##507DDD	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5087E1

Deuteranopia (green-blind)

#397ADB

Tritanopia (blue-blind)

#0093A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #507ddd;
/* rgb */ color: rgb(80, 125, 221);
/* oklch */ color: oklch(60.5% 0.154 263.6);

Tailwind

colors: {
  custom: {
    50: '#8ea2e8',
    500: '#507ddd',
    950: '#000000',
  },
}

SCSS

$custom: #507ddd;
$custom-light: #8ea2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#507ddd",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 221
  },
  "hsl": {
    "h": 220.851,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60483,
    "c": 0.15425,
    "h": 263.6
  },
  "luminance": 0.21593
}

Semantic roles & 50–950 ramp

primary

#507DDD

secondary

#E0CEA9

accent

#B33DEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #507DDD

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

Preview Lab → · Contrast checker → · Palette generator →