#537DBD#537DBD

#537DBD is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.109 H 258.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537DBD
RGB	rgb(83, 125, 189)
HSL	hsl(216, 45%, 53%)
HSV	hsv(216, 56%, 74%)
CMYK	cmyk(56.1%, 33.9%, 0%, 25.9%)
CIE-LAB	lab(52.04, 4.54, -37.98)
CIE-LCH	lch(52.04, 38.25, 276.81°)
OKLab	oklab(58.77% -0.0217 -0.1072)
OKLCH	oklch(58.77% 0.109 258.6)
XYZ	xyz(20.0830, 20.1787, 50.9708)
Luminance	0.2018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DBD #BD9353

analogous

#53B2BD #537DBD #5E53BD

triadic

#537DBD #BD537D #7DBD53

tetradic

#537DBD #BD53B2 #BD9353 #53BD5E

square

#537DBD #BD53B2 #BD9353 #53BD5E

split-complementary

#537DBD #BD5E53 #B2BD53

monochromatic

#29446C #3A6098 #537DBD #7F9ECE #ABC0DF

Accessibility & contrast

On white

4.17

#537DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#537DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DBD

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DBD	#FFFFFF	#000000	##000000
##537DBD	1.00	4.17	5.04	5.04
#FFFFFF	4.17	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)

#6382C0

Deuteranopia (green-blind)

#5678BC

Tritanopia (blue-blind)

#068B94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537dbd;
/* rgb */ color: rgb(83, 125, 189);
/* oklch */ color: oklch(58.8% 0.109 258.6);

Tailwind

colors: {
  custom: {
    50: '#8ba2d1',
    500: '#537dbd',
    950: '#000000',
  },
}

SCSS

$custom: #537dbd;
$custom-light: #8ba2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#537dbd",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 216.226,
    "s": 44.538,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58768,
    "c": 0.1094,
    "h": 258.6
  },
  "luminance": 0.2018
}

Semantic roles & 50–950 ramp

primary

#537DBD

secondary

#CDBB9F

accent

#A154D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #537DBD

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

Preview Lab → · Contrast checker → · Palette generator →