#537EC0#537EC0

#537EC0 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.112 H 258.7°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#537EC0
RGB	rgb(83, 126, 192)
HSL	hsl(216, 46%, 54%)
HSV	hsv(216, 57%, 75%)
CMYK	cmyk(56.8%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(52.47, 4.92, -39.02)
CIE-LCH	lch(52.47, 39.33, 277.18°)
OKLab	oklab(59.15% -0.022 -0.1102)
OKLCH	oklch(59.15% 0.112 258.7)
XYZ	xyz(20.5393, 20.5648, 52.7460)
Luminance	0.2057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC0 #C09553

analogous

#53B5C0 #537EC0 #5F53C0

triadic

#537EC0 #C0537E #7EC053

tetradic

#537EC0 #C053B5 #C09553 #53C05F

square

#537EC0 #C053B5 #C09553 #53C05F

split-complementary

#537EC0 #C05F53 #B5C053

monochromatic

#294570 #39609C #537EC0 #80A0D0 #ADC1E1

Accessibility & contrast

On white

4.11

#537EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#537EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC0

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC0	#FFFFFF	#000000	##000000
##537EC0	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6383C3

Deuteranopia (green-blind)

#5579BF

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ec0;
/* rgb */ color: rgb(83, 126, 192);
/* oklch */ color: oklch(59.2% 0.112 258.7);

Tailwind

colors: {
  custom: {
    50: '#8ba3d3',
    500: '#537ec0',
    950: '#000000',
  },
}

SCSS

$custom: #537ec0;
$custom-light: #8ba3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec0",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 216.33,
    "s": 46.383,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59152,
    "c": 0.11243,
    "h": 258.7
  },
  "luminance": 0.20566
}

Semantic roles & 50–950 ramp

primary

#537EC0

secondary

#CFBCA0

accent

#A252D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0F14

muted

#7D7E83

Preview Lab

Preview with #537EC0

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

Preview Lab → · Contrast checker → · Palette generator →