#507DDB#507DDB

#507DDB is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.4% C 0.152 H 263.3°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#507DDB
RGB	rgb(80, 125, 219)
HSL	hsl(221, 66%, 59%)
HSV	hsv(221, 63%, 86%)
CMYK	cmyk(63.5%, 42.9%, 0%, 14.1%)
CIE-LAB	lab(53.48, 14.01, -52.76)
CIE-LCH	lch(53.48, 54.59, 284.87°)
OKLab	oklab(60.36% -0.0177 -0.1505)
OKLCH	oklch(60.36% 0.152 263.3)
XYZ	xyz(23.4236, 21.4850, 69.9167)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DDB #DBAE50

analogous

#50C2DB #507DDB #6850DB

triadic

#507DDB #DB507D #7DDB50

tetradic

#507DDB #DB50C2 #DBAE50 #50DB68

square

#507DDB #DB50C2 #DBAE50 #50DB68

split-complementary

#507DDB #DB6850 #C2DB50

monochromatic

#1E4492 #295BC5 #507DDB #83A3E5 #B6C8F0

Accessibility & contrast

On white

3.96

#507DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#507DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DDB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DDB	#FFFFFF	#000000	##000000
##507DDB	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5187DF

Deuteranopia (green-blind)

#3C7AD9

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #507ddb;
/* rgb */ color: rgb(80, 125, 219);
/* oklch */ color: oklch(60.4% 0.152 263.3);

Tailwind

colors: {
  custom: {
    50: '#8ea2e7',
    500: '#507ddb',
    950: '#000000',
  },
}

SCSS

$custom: #507ddb;
$custom-light: #8ea2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#507ddb",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 219
  },
  "hsl": {
    "h": 220.576,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60358,
    "c": 0.15154,
    "h": 263.3
  },
  "luminance": 0.21487
}

Semantic roles & 50–950 ramp

primary

#507DDB

secondary

#DFCDA8

accent

#B23FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #507DDB

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

Preview Lab → · Contrast checker → · Palette generator →