#537CBE#537CBE

#537CBE is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.6% C 0.112 H 259.6°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#537CBE
RGB	rgb(83, 124, 190)
HSL	hsl(217, 45%, 54%)
HSV	hsv(217, 56%, 75%)
CMYK	cmyk(56.3%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(51.80, 5.46, -38.93)
CIE-LCH	lch(51.80, 39.31, 277.99°)
OKLab	oklab(58.6% -0.0203 -0.11)
OKLCH	oklch(58.6% 0.112 259.6)
XYZ	xyz(20.0660, 19.9704, 51.5025)
Luminance	0.1997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CBE #BE9553

analogous

#53B2BE #537CBE #5F53BE

triadic

#537CBE #BE537C #7CBE53

tetradic

#537CBE #BE53B2 #BE9553 #53BE5F

square

#537CBE #BE53B2 #BE9553 #53BE5F

split-complementary

#537CBE #BE5F53 #B2BE53

monochromatic

#29436D #3A5F9A #537CBE #7F9ECF #ACC0E0

Accessibility & contrast

On white

4.20

#537CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#537CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CBE

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CBE	#FFFFFF	#000000	##000000
##537CBE	1.00	4.20	4.99	4.99
#FFFFFF	4.20	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#5477BD

Tritanopia (blue-blind)

#048B94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537cbe;
/* rgb */ color: rgb(83, 124, 190);
/* oklch */ color: oklch(58.6% 0.112 259.6);

Tailwind

colors: {
  custom: {
    50: '#8ba1d2',
    500: '#537cbe',
    950: '#000000',
  },
}

SCSS

$custom: #537cbe;
$custom-light: #8ba1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537cbe",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 217.009,
    "s": 45.148,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58601,
    "c": 0.11184,
    "h": 259.6
  },
  "luminance": 0.19972
}

Semantic roles & 50–950 ramp

primary

#537CBE

secondary

#CDBC9F

accent

#A353D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #537CBE

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

Preview Lab → · Contrast checker → · Palette generator →