#537BCA#537BCA

#537BCA is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.1% C 0.130 H 262.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#537BCA
RGB	rgb(83, 123, 202)
HSL	hsl(220, 53%, 56%)
HSV	hsv(220, 59%, 79%)
CMYK	cmyk(58.9%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(52.14, 10.04, -45.25)
CIE-LCH	lch(52.14, 46.35, 282.51°)
OKLab	oklab(59.06% -0.0163 -0.1285)
OKLCH	oklch(59.06% 0.13 262.8)
XYZ	xyz(21.3072, 20.2674, 58.6548)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BCA #CAA253

analogous

#53B6CA #537BCA #6653CA

triadic

#537BCA #CA537B #7BCA53

tetradic

#537BCA #CA53B6 #CAA253 #53CA66

square

#537BCA #CA53B6 #CAA253 #53CA66

split-complementary

#537BCA #CA6653 #B6CA53

monochromatic

#26437C #355DAB #537BCA #829FD8 #B1C3E7

Accessibility & contrast

On white

4.16

#537BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#537BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BCA

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BCA	#FFFFFF	#000000	##000000
##537BCA	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5982CD

Deuteranopia (green-blind)

#4A77C8

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537bca;
/* rgb */ color: rgb(83, 123, 202);
/* oklch */ color: oklch(59.1% 0.130 262.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#537bca",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 219.832,
    "s": 52.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59062,
    "c": 0.1295,
    "h": 262.8
  },
  "luminance": 0.20269
}

Semantic roles & 50–950 ramp

primary

#537BCA

secondary

#D5C4A4

accent

#AC4CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #537BCA

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

Preview Lab → · Contrast checker → · Palette generator →