#507BCB#507BCB

#507BCB is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.0% C 0.132 H 261.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#507BCB
RGB	rgb(80, 123, 203)
HSL	hsl(219, 54%, 55%)
HSV	hsv(219, 61%, 80%)
CMYK	cmyk(60.6%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(52.04, 9.79, -45.99)
CIE-LCH	lch(52.04, 47.02, 282.02°)
OKLab	oklab(58.96% -0.0188 -0.1307)
OKLCH	oklch(58.96% 0.132 261.8)
XYZ	xyz(21.1670, 20.1813, 59.2683)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BCB #CBA050

analogous

#50B9CB #507BCB #6250CB

triadic

#507BCB #CB507B #7BCB50

tetradic

#507BCB #CB50B9 #CBA050 #50CB62

square

#507BCB #CB50B9 #CBA050 #50CB62

split-complementary

#507BCB #CB6250 #B9CB50

monochromatic

#25437C #335DAB #507BCB #7F9FD9 #AEC2E7

Accessibility & contrast

On white

4.17

#507BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#507BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BCB

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BCB	#FFFFFF	#000000	##000000
##507BCB	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CE

Deuteranopia (green-blind)

#4777C9

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #507bcb;
/* rgb */ color: rgb(80, 123, 203);
/* oklch */ color: oklch(59.0% 0.132 261.8);

Tailwind

colors: {
  custom: {
    50: '#8ba0db',
    500: '#507bcb',
    950: '#000000',
  },
}

SCSS

$custom: #507bcb;
$custom-light: #8ba0db;
$custom-dark: #000000;

JSON

{
  "hex": "#507bcb",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 219.024,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.58964,
    "c": 0.13201,
    "h": 261.8
  },
  "luminance": 0.20183
}

Semantic roles & 50–950 ramp

primary

#507BCB

secondary

#D5C3A2

accent

#AA4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #507BCB

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

Preview Lab → · Contrast checker → · Palette generator →