#537DBE#537DBE

#537DBE is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.111 H 258.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537DBE
RGB	rgb(83, 125, 190)
HSL	hsl(216, 45%, 54%)
HSV	hsv(216, 56%, 75%)
CMYK	cmyk(56.3%, 34.2%, 0%, 25.5%)
CIE-LAB	lab(52.09, 4.86, -38.48)
CIE-LCH	lch(52.09, 38.79, 277.20°)
OKLab	oklab(58.82% -0.0214 -0.1087)
OKLCH	oklch(58.82% 0.111 258.8)
XYZ	xyz(20.1919, 20.2223, 51.5445)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DBE #BE9453

analogous

#53B2BE #537DBE #5E53BE

triadic

#537DBE #BE537D #7DBE53

tetradic

#537DBE #BE53B2 #BE9453 #53BE5E

square

#537DBE #BE53B2 #BE9453 #53BE5E

split-complementary

#537DBE #BE5E53 #B2BE53

monochromatic

#29446D #3A609A #537DBE #7F9FCF #ACC0E0

Accessibility & contrast

On white

4.16

#537DBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#537DBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DBE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DBE	#FFFFFF	#000000	##000000
##537DBE	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C1

Deuteranopia (green-blind)

#5578BD

Tritanopia (blue-blind)

#038B95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537dbe;
/* rgb */ color: rgb(83, 125, 190);
/* oklch */ color: oklch(58.8% 0.111 258.8);

Tailwind

colors: {
  custom: {
    50: '#8ba2d2',
    500: '#537dbe',
    950: '#000000',
  },
}

SCSS

$custom: #537dbe;
$custom-light: #8ba2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537dbe",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 190
  },
  "hsl": {
    "h": 216.449,
    "s": 45.148,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58822,
    "c": 0.11076,
    "h": 258.8
  },
  "luminance": 0.20224
}

Semantic roles & 50–950 ramp

primary

#537DBE

secondary

#CDBB9F

accent

#A253D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F14

muted

#7D7E82

Preview Lab

Preview with #537DBE

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

Preview Lab → · Contrast checker → · Palette generator →