#537EBE#537EBE

#537EBE is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.0% C 0.110 H 258.1°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#537EBE
RGB	rgb(83, 126, 190)
HSL	hsl(216, 45%, 54%)
HSV	hsv(216, 56%, 75%)
CMYK	cmyk(56.3%, 33.7%, 0%, 25.5%)
CIE-LAB	lab(52.37, 4.26, -38.03)
CIE-LCH	lch(52.37, 38.27, 276.39°)
OKLab	oklab(59.04% -0.0226 -0.1074)
OKLCH	oklch(59.04% 0.11 258.1)
XYZ	xyz(20.3192, 20.4768, 51.5869)
Luminance	0.2048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EBE #BE9353

analogous

#53B3BE #537EBE #5D53BE

triadic

#537EBE #BE537E #7EBE53

tetradic

#537EBE #BE53B3 #BE9353 #53BE5D

square

#537EBE #BE53B3 #BE9353 #53BE5D

split-complementary

#537EBE #BE5D53 #B3BE53

monochromatic

#29456D #3A619A #537EBE #7F9FCF #ACC1E0

Accessibility & contrast

On white

4.12

#537EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#537EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EBE

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EBE	#FFFFFF	#000000	##000000
##537EBE	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C1

Deuteranopia (green-blind)

#5678BD

Tritanopia (blue-blind)

#028C95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ebe;
/* rgb */ color: rgb(83, 126, 190);
/* oklch */ color: oklch(59.0% 0.110 258.1);

Tailwind

colors: {
  custom: {
    50: '#8ba3d2',
    500: '#537ebe',
    950: '#000000',
  },
}

SCSS

$custom: #537ebe;
$custom-light: #8ba3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ebe",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 190
  },
  "hsl": {
    "h": 215.888,
    "s": 45.148,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59044,
    "c": 0.1097,
    "h": 258.1
  },
  "luminance": 0.20478
}

Semantic roles & 50–950 ramp

primary

#537EBE

secondary

#CDBB9F

accent

#A153D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F14

muted

#7D7E82

Preview Lab

Preview with #537EBE

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

Preview Lab → · Contrast checker → · Palette generator →