#507FCB#507FCB

#507FCB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.8% C 0.128 H 259.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#507FCB
RGB	rgb(80, 127, 203)
HSL	hsl(217, 54%, 55%)
HSV	hsv(217, 61%, 80%)
CMYK	cmyk(60.6%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(53.16, 7.36, -44.21)
CIE-LCH	lch(53.16, 44.82, 279.45°)
OKLab	oklab(59.83% -0.023 -0.1254)
OKLCH	oklch(59.83% 0.128 259.6)
XYZ	xyz(21.6733, 21.1941, 59.4370)
Luminance	0.2120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#507FCB #CB9C50

analogous

#50BDCB #507FCB #5E50CB

triadic

#507FCB #CB507F #7FCB50

tetradic

#507FCB #CB50BD #CB9C50 #50CB5E

square

#507FCB #CB50BD #CB9C50 #50CB5E

split-complementary

#507FCB #CB5E50 #BDCB50

monochromatic

#25467C #3361AB #507FCB #7FA2D9 #AEC4E7

Accessibility & contrast

On white

4.01

#507FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#507FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #507FCB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##507FCB	#FFFFFF	#000000	##000000
##507FCB	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CE

Deuteranopia (green-blind)

#4E7AC9

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #507fcb;
/* rgb */ color: rgb(80, 127, 203);
/* oklch */ color: oklch(59.8% 0.128 259.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#507fcb",
  "rgb": {
    "r": 80,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 217.073,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59832,
    "c": 0.12753,
    "h": 259.6
  },
  "luminance": 0.21196
}

Semantic roles & 50–950 ramp

primary

#507FCB

secondary

#D5C1A2

accent

#A54ADE

background

#F9FAFD

surface

#F1F3FB

border

#CBCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #507FCB

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

Preview Lab → · Contrast checker → · Palette generator →