#537EB5#537EB5

#537EB5 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.6% C 0.098 H 255.1°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#537EB5
RGB	rgb(83, 126, 181)
HSL	hsl(214, 40%, 52%)
HSV	hsv(214, 54%, 71%)
CMYK	cmyk(54.1%, 30.4%, 0%, 29%)
CIE-LAB	lab(51.94, 1.35, -33.54)
CIE-LCH	lch(51.94, 33.56, 272.31°)
OKLab	oklab(58.57% -0.0251 -0.0943)
OKLCH	oklch(58.57% 0.098 255.1)
XYZ	xyz(19.3657, 20.0954, 46.5654)
Luminance	0.2010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB5 #B58A53

analogous

#53AFB5 #537EB5 #5953B5

triadic

#537EB5 #B5537E #7EB553

tetradic

#537EB5 #B553AF #B58A53 #53B559

square

#537EB5 #B553AF #B58A53 #53B559

split-complementary

#537EB5 #B55953 #AFB553

monochromatic

#2B4363 #3D608E #537EB5 #7E9EC7 #A9BEDA

Accessibility & contrast

On white

4.18

#537EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#537EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB5

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB5	#FFFFFF	#000000	##000000
##537EB5	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6881B7

Deuteranopia (green-blind)

#5C78B4

Tritanopia (blue-blind)

#198A91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537eb5;
/* rgb */ color: rgb(83, 126, 181);
/* oklch */ color: oklch(58.6% 0.098 255.1);

Tailwind

colors: {
  custom: {
    50: '#8aa3cb',
    500: '#537eb5',
    950: '#000000',
  },
}

SCSS

$custom: #537eb5;
$custom-light: #8aa3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb5",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 181
  },
  "hsl": {
    "h": 213.673,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.5857,
    "c": 0.09759,
    "h": 255.1
  },
  "luminance": 0.20097
}

Semantic roles & 50–950 ramp

primary

#537EB5

secondary

#C7B59C

accent

#9B58D0

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB5

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

Preview Lab → · Contrast checker → · Palette generator →