#537DB5#537DB5

#537DB5 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.099 H 256.0°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#537DB5
RGB	rgb(83, 125, 181)
HSL	hsl(214, 40%, 52%)
HSV	hsv(214, 54%, 71%)
CMYK	cmyk(54.1%, 30.9%, 0%, 29%)
CIE-LAB	lab(51.66, 1.95, -33.99)
CIE-LCH	lch(51.66, 34.04, 273.28°)
OKLab	oklab(58.34% -0.0239 -0.0956)
OKLCH	oklch(58.34% 0.099 256)
XYZ	xyz(19.2385, 19.8409, 46.5230)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DB5 #B58B53

analogous

#53AEB5 #537DB5 #5A53B5

triadic

#537DB5 #B5537D #7DB553

tetradic

#537DB5 #B553AE #B58B53 #53B55A

square

#537DB5 #B553AE #B58B53 #53B55A

split-complementary

#537DB5 #B55A53 #AEB553

monochromatic

#2B4363 #3D608E #537DB5 #7E9DC7 #A9BEDA

Accessibility & contrast

On white

4.23

#537DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#537DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DB5

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DB5	#FFFFFF	#000000	##000000
##537DB5	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B7

Deuteranopia (green-blind)

#5A77B4

Tritanopia (blue-blind)

#1A8A91

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537db5;
/* rgb */ color: rgb(83, 125, 181);
/* oklch */ color: oklch(58.3% 0.099 256.0);

Tailwind

colors: {
  custom: {
    50: '#8aa2cb',
    500: '#537db5',
    950: '#000000',
  },
}

SCSS

$custom: #537db5;
$custom-light: #8aa2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#537db5",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 214.286,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.58344,
    "c": 0.09856,
    "h": 256
  },
  "luminance": 0.19842
}

Semantic roles & 50–950 ramp

primary

#537DB5

secondary

#C7B59C

accent

#9C58D0

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537DB5

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

Preview Lab → · Contrast checker → · Palette generator →