#537ACA#537ACA

#537ACA is a mid, vivid blue. Relative luminance 0.200; OKLCH L 58.8% C 0.131 H 263.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#537ACA
RGB	rgb(83, 122, 202)
HSL	hsl(220, 53%, 56%)
HSV	hsv(220, 59%, 79%)
CMYK	cmyk(58.9%, 39.6%, 0%, 20.8%)
CIE-LAB	lab(51.86, 10.65, -45.70)
CIE-LCH	lch(51.86, 46.92, 283.12°)
OKLab	oklab(58.85% -0.0152 -0.1298)
OKLCH	oklch(58.85% 0.131 263.3)
XYZ	xyz(21.1838, 20.0206, 58.6137)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ACA #CAA353

analogous

#53B5CA #537ACA #6753CA

triadic

#537ACA #CA537A #7ACA53

tetradic

#537ACA #CA53B5 #CAA353 #53CA67

square

#537ACA #CA53B5 #CAA353 #53CA67

split-complementary

#537ACA #CA6753 #B5CA53

monochromatic

#26427C #355CAB #537ACA #829ED8 #B1C2E7

Accessibility & contrast

On white

4.20

#537ACA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#537ACA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ACA

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ACA	#FFFFFF	#000000	##000000
##537ACA	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CD

Deuteranopia (green-blind)

#4877C8

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537aca;
/* rgb */ color: rgb(83, 122, 202);
/* oklch */ color: oklch(58.8% 0.131 263.3);

Tailwind

colors: {
  custom: {
    50: '#8da0da',
    500: '#537aca',
    950: '#000000',
  },
}

SCSS

$custom: #537aca;
$custom-light: #8da0da;
$custom-dark: #000000;

JSON

{
  "hex": "#537aca",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 202
  },
  "hsl": {
    "h": 220.336,
    "s": 52.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58847,
    "c": 0.13066,
    "h": 263.3
  },
  "luminance": 0.20022
}

Semantic roles & 50–950 ramp

primary

#537ACA

secondary

#D5C5A4

accent

#AD4CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537ACA

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

Preview Lab → · Contrast checker → · Palette generator →