#507DCB#507DCB

#507DCB is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.130 H 260.7°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#507DCB
RGB	rgb(80, 125, 203)
HSL	hsl(218, 54%, 55%)
HSV	hsv(218, 61%, 80%)
CMYK	cmyk(60.6%, 38.4%, 0%, 20.4%)
CIE-LAB	lab(52.60, 8.57, -45.10)
CIE-LCH	lch(52.60, 45.91, 280.76°)
OKLab	oklab(59.4% -0.0209 -0.128)
OKLCH	oklch(59.4% 0.13 260.7)
XYZ	xyz(21.4176, 20.6826, 59.3518)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507DCB #CB9E50

analogous

#50BACB #507DCB #6050CB

triadic

#507DCB #CB507D #7DCB50

tetradic

#507DCB #CB50BA #CB9E50 #50CB60

square

#507DCB #CB50BA #CB9E50 #50CB60

split-complementary

#507DCB #CB6050 #BACB50

monochromatic

#25457C #335FAB #507DCB #7FA0D9 #AEC3E7

Accessibility & contrast

On white

4.09

#507DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#507DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507DCB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507DCB	#FFFFFF	#000000	##000000
##507DCB	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84CE

Deuteranopia (green-blind)

#4B78C9

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #507dcb;
/* rgb */ color: rgb(80, 125, 203);
/* oklch */ color: oklch(59.4% 0.130 260.7);

Tailwind

colors: {
  custom: {
    50: '#8ba2db',
    500: '#507dcb',
    950: '#000000',
  },
}

SCSS

$custom: #507dcb;
$custom-light: #8ba2db;
$custom-dark: #000000;

JSON

{
  "hex": "#507dcb",
  "rgb": {
    "r": 80,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 218.049,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59397,
    "c": 0.12975,
    "h": 260.7
  },
  "luminance": 0.20685
}

Semantic roles & 50–950 ramp

primary

#507DCB

secondary

#D5C2A2

accent

#A84ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #507DCB

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

Preview Lab → · Contrast checker → · Palette generator →