#537EA3#537EA3

#537EA3 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.075 H 245.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#537EA3
RGB	rgb(83, 126, 163)
HSL	hsl(208, 33%, 48%)
HSV	hsv(208, 49%, 64%)
CMYK	cmyk(49.1%, 22.7%, 0%, 36.1%)
CIE-LAB	lab(51.16, -4.28, -24.35)
CIE-LCH	lch(51.16, 24.73, 260.03°)
OKLab	oklab(57.69% -0.0309 -0.0679)
OKLCH	oklch(57.69% 0.075 245.5)
XYZ	xyz(17.6367, 19.4038, 37.4592)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA3 #A37853

analogous

#53A3A0 #537EA3 #5356A3

triadic

#537EA3 #A3537E #7EA353

tetradic

#537EA3 #A053A3 #A37853 #56A353

square

#537EA3 #A053A3 #A37853 #56A353

split-complementary

#537EA3 #A35356 #A3A053

monochromatic

#2A3F52 #3E5F7A #537EA3 #799CBB #A1BACF

Accessibility & contrast

On white

4.30

#537EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#537EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA3	#FFFFFF	#000000	##000000
##537EA3	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7EA5

Deuteranopia (green-blind)

#6476A2

Tritanopia (blue-blind)

#2E878A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea3;
/* rgb */ color: rgb(83, 126, 163);
/* oklch */ color: oklch(57.7% 0.075 245.5);

Tailwind

colors: {
  custom: {
    50: '#88a3be',
    500: '#537ea3',
    950: '#000000',
  },
}

SCSS

$custom: #537ea3;
$custom-light: #88a3be;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea3",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 163
  },
  "hsl": {
    "h": 207.75,
    "s": 32.52,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5769,
    "c": 0.07455,
    "h": 245.5
  },
  "luminance": 0.19405
}

Semantic roles & 50–950 ramp

primary

#537EA3

secondary

#BCA795

accent

#905FC9

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA3

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

Preview Lab → · Contrast checker → · Palette generator →