#507CCB#507CCB

#507CCB is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.2% C 0.131 H 261.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#507CCB
RGB	rgb(80, 124, 203)
HSL	hsl(219, 54%, 55%)
HSV	hsv(219, 61%, 80%)
CMYK	cmyk(60.6%, 38.9%, 0%, 20.4%)
CIE-LAB	lab(52.32, 9.18, -45.54)
CIE-LCH	lch(52.32, 46.46, 281.39°)
OKLab	oklab(59.18% -0.0198 -0.1294)
OKLCH	oklch(59.18% 0.131 261.3)
XYZ	xyz(21.2916, 20.4307, 59.3098)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507CCB #CB9F50

analogous

#50B9CB #507CCB #6250CB

triadic

#507CCB #CB507C #7CCB50

tetradic

#507CCB #CB50B9 #CB9F50 #50CB62

square

#507CCB #CB50B9 #CB9F50 #50CB62

split-complementary

#507CCB #CB6250 #B9CB50

monochromatic

#25447C #335EAB #507CCB #7F9FD9 #AEC3E7

Accessibility & contrast

On white

4.13

#507CCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#507CCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507CCB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507CCB	#FFFFFF	#000000	##000000
##507CCB	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A83CE

Deuteranopia (green-blind)

#4978C9

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #507ccb;
/* rgb */ color: rgb(80, 124, 203);
/* oklch */ color: oklch(59.2% 0.131 261.3);

Tailwind

colors: {
  custom: {
    50: '#8ba1db',
    500: '#507ccb',
    950: '#000000',
  },
}

SCSS

$custom: #507ccb;
$custom-light: #8ba1db;
$custom-dark: #000000;

JSON

{
  "hex": "#507ccb",
  "rgb": {
    "r": 80,
    "g": 124,
    "b": 203
  },
  "hsl": {
    "h": 218.537,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.5918,
    "c": 0.13087,
    "h": 261.3
  },
  "luminance": 0.20433
}

Semantic roles & 50–950 ramp

primary

#507CCB

secondary

#D5C3A2

accent

#A94ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #507CCB

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

Preview Lab → · Contrast checker → · Palette generator →