#537EC5#537EC5

#537EC5 is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.4% C 0.119 H 260.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#537EC5
RGB	rgb(83, 126, 197)
HSL	hsl(217, 50%, 55%)
HSV	hsv(217, 58%, 77%)
CMYK	cmyk(57.9%, 36%, 0%, 22.7%)
CIE-LAB	lab(52.72, 6.56, -41.49)
CIE-LCH	lch(52.72, 42.00, 278.99°)
OKLab	oklab(59.43% -0.0208 -0.1174)
OKLCH	oklch(59.43% 0.119 260)
XYZ	xyz(21.1027, 20.7902, 55.7133)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC5 #C59A53

analogous

#53B7C5 #537EC5 #6153C5

triadic

#537EC5 #C5537E #7EC553

tetradic

#537EC5 #C553B7 #C59A53 #53C561

square

#537EC5 #C553B7 #C59A53 #53C561

split-complementary

#537EC5 #C56153 #B7C553

monochromatic

#284576 #3760A4 #537EC5 #81A0D4 #AFC3E4

Accessibility & contrast

On white

4.07

#537EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#537EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC5	#FFFFFF	#000000	##000000
##537EC5	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184C8

Deuteranopia (green-blind)

#5279C4

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ec5;
/* rgb */ color: rgb(83, 126, 197);
/* oklch */ color: oklch(59.4% 0.119 260.0);

Tailwind

colors: {
  custom: {
    50: '#8ca3d7',
    500: '#537ec5',
    950: '#000000',
  },
}

SCSS

$custom: #537ec5;
$custom-light: #8ca3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec5",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 217.368,
    "s": 49.565,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59428,
    "c": 0.11925,
    "h": 260
  },
  "luminance": 0.20792
}

Semantic roles & 50–950 ramp

primary

#537EC5

secondary

#D2C0A2

accent

#A54FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537EC5

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

Preview Lab → · Contrast checker → · Palette generator →