#507ECB#507ECB

#507ECB is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.6% C 0.129 H 260.2°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#507ECB
RGB	rgb(80, 126, 203)
HSL	hsl(218, 54%, 55%)
HSV	hsv(218, 61%, 80%)
CMYK	cmyk(60.6%, 37.9%, 0%, 20.4%)
CIE-LAB	lab(52.88, 7.96, -44.66)
CIE-LCH	lch(52.88, 45.36, 280.11°)
OKLab	oklab(59.61% -0.022 -0.1267)
OKLCH	oklch(59.61% 0.129 260.2)
XYZ	xyz(21.5448, 20.9371, 59.3942)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507ECB #CB9D50

analogous

#50BBCB #507ECB #5F50CB

triadic

#507ECB #CB507E #7ECB50

tetradic

#507ECB #CB50BB #CB9D50 #50CB5F

square

#507ECB #CB50BB #CB9D50 #50CB5F

split-complementary

#507ECB #CB5F50 #BBCB50

monochromatic

#25457C #3360AB #507ECB #7FA1D9 #AEC4E7

Accessibility & contrast

On white

4.05

#507ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#507ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507ECB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507ECB	#FFFFFF	#000000	##000000
##507ECB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D84CE

Deuteranopia (green-blind)

#4C79C9

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #507ecb;
/* rgb */ color: rgb(80, 126, 203);
/* oklch */ color: oklch(59.6% 0.129 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ba3db',
    500: '#507ecb',
    950: '#000000',
  },
}

SCSS

$custom: #507ecb;
$custom-light: #8ba3db;
$custom-dark: #000000;

JSON

{
  "hex": "#507ecb",
  "rgb": {
    "r": 80,
    "g": 126,
    "b": 203
  },
  "hsl": {
    "h": 217.561,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59614,
    "c": 0.12863,
    "h": 260.2
  },
  "luminance": 0.20939
}

Semantic roles & 50–950 ramp

primary

#507ECB

secondary

#D5C2A2

accent

#A64ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #507ECB

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

Preview Lab → · Contrast checker → · Palette generator →