#537DCD#537DCD

#537DCD is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.7% C 0.131 H 262.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#537DCD
RGB	rgb(83, 125, 205)
HSL	hsl(219, 55%, 56%)
HSV	hsv(219, 60%, 80%)
CMYK	cmyk(59.5%, 39%, 0%, 19.6%)
CIE-LAB	lab(52.85, 9.83, -45.83)
CIE-LCH	lch(52.85, 46.87, 282.10°)
OKLab	oklab(59.67% -0.0178 -0.1301)
OKLCH	oklch(59.67% 0.131 262.2)
XYZ	xyz(21.9165, 20.9121, 60.6273)
Luminance	0.2091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DCD #CDA353

analogous

#53BACD #537DCD #6653CD

triadic

#537DCD #CD537D #7DCD53

tetradic

#537DCD #CD53BA #CDA353 #53CD66

square

#537DCD #CD53BA #CDA353 #53CD66

split-complementary

#537DCD #CD6653 #BACD53

monochromatic

#254580 #335EB0 #537DCD #82A1DB #B2C5E9

Accessibility & contrast

On white

4.05

#537DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#537DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DCD

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DCD	#FFFFFF	#000000	##000000
##537DCD	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84D0

Deuteranopia (green-blind)

#4A79CB

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537dcd;
/* rgb */ color: rgb(83, 125, 205);
/* oklch */ color: oklch(59.7% 0.131 262.2);

Tailwind

colors: {
  custom: {
    50: '#8da2dc',
    500: '#537dcd',
    950: '#000000',
  },
}

SCSS

$custom: #537dcd;
$custom-light: #8da2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#537dcd",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 205
  },
  "hsl": {
    "h": 219.344,
    "s": 54.955,
    "l": 56.471
  },
  "oklch": {
    "l": 0.59667,
    "c": 0.13133,
    "h": 262.2
  },
  "luminance": 0.20914
}

Semantic roles & 50–950 ramp

primary

#537DCD

secondary

#D7C6A5

accent

#AB4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537DCD

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

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