#507DCF#507DCF

#507DCF is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.6% C 0.135 H 261.5°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#507DCF
RGB	rgb(80, 125, 207)
HSL	hsl(219, 57%, 56%)
HSV	hsv(219, 61%, 81%)
CMYK	cmyk(61.4%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(52.81, 9.92, -47.03)
CIE-LCH	lch(52.81, 48.07, 281.91°)
OKLab	oklab(59.63% -0.02 -0.1337)
OKLCH	oklch(59.63% 0.135 261.5)
XYZ	xyz(21.9004, 20.8757, 61.8947)
Luminance	0.2088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DCF #CFA250

analogous

#50BDCF #507DCF #6350CF

triadic

#507DCF #CF507D #7DCF50

tetradic

#507DCF #CF50BD #CFA250 #50CF63

square

#507DCF #CF50BD #CFA250 #50CF63

split-complementary

#507DCF #CF6350 #BDCF50

monochromatic

#234581 #315EB1 #507DCF #80A1DC #B0C4E9

Accessibility & contrast

On white

4.06

#507DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#507DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DCF

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DCF	#FFFFFF	#000000	##000000
##507DCF	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D2

Deuteranopia (green-blind)

#4779CD

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #507dcf;
/* rgb */ color: rgb(80, 125, 207);
/* oklch */ color: oklch(59.6% 0.135 261.5);

Tailwind

colors: {
  custom: {
    50: '#8ca2de',
    500: '#507dcf',
    950: '#000000',
  },
}

SCSS

$custom: #507dcf;
$custom-light: #8ca2de;
$custom-dark: #000000;

JSON

{
  "hex": "#507dcf",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 218.74,
    "s": 56.951,
    "l": 56.275
  },
  "oklch": {
    "l": 0.59631,
    "c": 0.1352,
    "h": 261.5
  },
  "luminance": 0.20878
}

Semantic roles & 50–950 ramp

primary

#507DCF

secondary

#D8C5A3

accent

#AA48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #507DCF

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

Preview Lab → · Contrast checker → · Palette generator →