#507BB9#507BB9

#507BB9 is a mid, moderate blue. Relative luminance 0.194; OKLCH L 57.9% C 0.107 H 257.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#507BB9
RGB	rgb(80, 123, 185)
HSL	hsl(215, 43%, 52%)
HSV	hsv(215, 57%, 73%)
CMYK	cmyk(56.8%, 33.5%, 0%, 27.5%)
CIE-LAB	lab(51.12, 3.78, -37.14)
CIE-LCH	lch(51.12, 37.33, 275.82°)
OKLab	oklab(57.95% -0.0232 -0.1048)
OKLCH	oklch(57.95% 0.107 257.5)
XYZ	xyz(19.1451, 19.3726, 48.6199)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507BB9 #B98E50

analogous

#50AFB9 #507BB9 #5A50B9

triadic

#507BB9 #B9507B #7BB950

tetradic

#507BB9 #B950AF #B98E50 #50B95A

square

#507BB9 #B950AF #B98E50 #50B95A

split-complementary

#507BB9 #B95A50 #AFB950

monochromatic

#294266 #3A5E92 #507BB9 #7C9CCA #A7BDDC

Accessibility & contrast

On white

4.31

#507BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#507BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507BB9

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507BB9	#FFFFFF	#000000	##000000
##507BB9	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBC

Deuteranopia (green-blind)

#5475B8

Tritanopia (blue-blind)

#008991

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #507bb9;
/* rgb */ color: rgb(80, 123, 185);
/* oklch */ color: oklch(57.9% 0.107 257.5);

Tailwind

colors: {
  custom: {
    50: '#89a0ce',
    500: '#507bb9',
    950: '#000000',
  },
}

SCSS

$custom: #507bb9;
$custom-light: #89a0ce;
$custom-dark: #000000;

JSON

{
  "hex": "#507bb9",
  "rgb": {
    "r": 80,
    "g": 123,
    "b": 185
  },
  "hsl": {
    "h": 215.429,
    "s": 42.857,
    "l": 51.961
  },
  "oklch": {
    "l": 0.57947,
    "c": 0.10737,
    "h": 257.5
  },
  "luminance": 0.19374
}

Semantic roles & 50–950 ramp

primary

#507BB9

secondary

#C9B79B

accent

#9F55D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #507BB9

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

Preview Lab → · Contrast checker → · Palette generator →