#507BBC#507BBC

#507BBC is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.1% C 0.111 H 258.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#507BBC
RGB	rgb(80, 123, 188)
HSL	hsl(216, 45%, 53%)
HSV	hsv(216, 57%, 74%)
CMYK	cmyk(57.4%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(51.27, 4.77, -38.63)
CIE-LCH	lch(51.27, 38.93, 277.04°)
OKLab	oklab(58.11% -0.0224 -0.1092)
OKLCH	oklch(58.11% 0.111 258.4)
XYZ	xyz(19.4652, 19.5006, 50.3054)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BBC #BC9150

analogous

#50B1BC #507BBC #5B50BC

triadic

#507BBC #BC507B #7BBC50

tetradic

#507BBC #BC50B1 #BC9150 #50BC5B

square

#507BBC #BC50B1 #BC9150 #50BC5B

split-complementary

#507BBC #BC5B50 #B1BC50

monochromatic

#284269 #395E96 #507BBC #7C9CCD #A9BEDE

Accessibility & contrast

On white

4.29

#507BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#507BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BBC

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BBC	#FFFFFF	#000000	##000000
##507BBC	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6080BF

Deuteranopia (green-blind)

#5275BB

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #507bbc;
/* rgb */ color: rgb(80, 123, 188);
/* oklch */ color: oklch(58.1% 0.111 258.4);

Tailwind

colors: {
  custom: {
    50: '#89a0d0',
    500: '#507bbc',
    950: '#000000',
  },
}

SCSS

$custom: #507bbc;
$custom-light: #89a0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#507bbc",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 216.111,
    "s": 44.628,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5811,
    "c": 0.11146,
    "h": 258.4
  },
  "luminance": 0.19502
}

Semantic roles & 50–950 ramp

primary

#507BBC

secondary

#CBB99C

accent

#A153D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #507BBC

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

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