#537EBD#537EBD

#537EBD is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.108 H 257.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#537EBD
RGB	rgb(83, 126, 189)
HSL	hsl(216, 45%, 53%)
HSV	hsv(216, 56%, 74%)
CMYK	cmyk(56.1%, 33.3%, 0%, 25.9%)
CIE-LAB	lab(52.32, 3.94, -37.54)
CIE-LCH	lch(52.32, 37.74, 275.99°)
OKLab	oklab(58.99% -0.0228 -0.1059)
OKLCH	oklch(58.99% 0.108 257.8)
XYZ	xyz(20.2103, 20.4332, 51.0132)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EBD #BD9253

analogous

#53B3BD #537EBD #5D53BD

triadic

#537EBD #BD537E #7EBD53

tetradic

#537EBD #BD53B3 #BD9253 #53BD5D

square

#537EBD #BD53B3 #BD9253 #53BD5D

split-complementary

#537EBD #BD5D53 #B3BD53

monochromatic

#29456C #3A6198 #537EBD #7F9FCE #ABC0DF

Accessibility & contrast

On white

4.13

#537EBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#537EBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EBD

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EBD	#FFFFFF	#000000	##000000
##537EBD	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5778BC

Tritanopia (blue-blind)

#058C95

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ebd;
/* rgb */ color: rgb(83, 126, 189);
/* oklch */ color: oklch(59.0% 0.108 257.8);

Tailwind

colors: {
  custom: {
    50: '#8ba3d1',
    500: '#537ebd',
    950: '#000000',
  },
}

SCSS

$custom: #537ebd;
$custom-light: #8ba3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#537ebd",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 189
  },
  "hsl": {
    "h": 215.66,
    "s": 44.538,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5899,
    "c": 0.10835,
    "h": 257.8
  },
  "luminance": 0.20435
}

Semantic roles & 50–950 ramp

primary

#537EBD

secondary

#CDBA9F

accent

#A054D4

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #537EBD

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

Preview Lab → · Contrast checker → · Palette generator →