#507BDB#507BDB

#507BDB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.9% C 0.154 H 264.1°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#507BDB
RGB	rgb(80, 123, 219)
HSL	hsl(221, 66%, 59%)
HSV	hsv(221, 63%, 86%)
CMYK	cmyk(63.5%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(52.93, 15.24, -53.63)
CIE-LCH	lch(52.93, 55.75, 285.86°)
OKLab	oklab(59.94% -0.0157 -0.1531)
OKLCH	oklch(59.94% 0.154 264.1)
XYZ	xyz(23.1730, 20.9837, 69.8332)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BDB #DBB050

analogous

#50C0DB #507BDB #6A50DB

triadic

#507BDB #DB507B #7BDB50

tetradic

#507BDB #DB50C0 #DBB050 #50DB6A

square

#507BDB #DB50C0 #DBB050 #50DB6A

split-complementary

#507BDB #DB6A50 #C0DB50

monochromatic

#1E4292 #2959C5 #507BDB #83A1E5 #B6C8F0

Accessibility & contrast

On white

4.04

#507BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#507BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BDB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BDB	#FFFFFF	#000000	##000000
##507BDB	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E85DF

Deuteranopia (green-blind)

#3778D9

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #507bdb;
/* rgb */ color: rgb(80, 123, 219);
/* oklch */ color: oklch(59.9% 0.154 264.1);

Tailwind

colors: {
  custom: {
    50: '#8ea0e7',
    500: '#507bdb',
    950: '#000000',
  },
}

SCSS

$custom: #507bdb;
$custom-light: #8ea0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#507bdb",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 221.439,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.59939,
    "c": 0.15389,
    "h": 264.1
  },
  "luminance": 0.20986
}

Semantic roles & 50–950 ramp

primary

#507BDB

secondary

#DFCEA8

accent

#B43FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #507BDB

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

Preview Lab → · Contrast checker → · Palette generator →