#537DA1#537DA1

#537DA1 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.4% C 0.073 H 245.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#537DA1
RGB	rgb(83, 125, 161)
HSL	hsl(208, 32%, 48%)
HSV	hsv(208, 48%, 63%)
CMYK	cmyk(48.4%, 22.4%, 0%, 36.9%)
CIE-LAB	lab(50.78, -4.31, -23.77)
CIE-LCH	lch(50.78, 24.16, 259.74°)
OKLab	oklab(57.37% -0.0303 -0.0662)
OKLCH	oklch(57.37% 0.073 245.4)
XYZ	xyz(17.3317, 19.0782, 36.4805)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DA1 #A17753

analogous

#53A19E #537DA1 #5356A1

triadic

#537DA1 #A1537D #7DA153

tetradic

#537DA1 #9E53A1 #A17753 #56A153

square

#537DA1 #9E53A1 #A17753 #56A153

split-complementary

#537DA1 #A15356 #A19E53

monochromatic

#293E50 #3E5E79 #537DA1 #789BB9 #A0B9CE

Accessibility & contrast

On white

4.36

#537DA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#537DA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DA1

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DA1	#FFFFFF	#000000	##000000
##537DA1	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA3

Deuteranopia (green-blind)

#6475A0

Tritanopia (blue-blind)

#308689

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537da1;
/* rgb */ color: rgb(83, 125, 161);
/* oklch */ color: oklch(57.4% 0.073 245.4);

Tailwind

colors: {
  custom: {
    50: '#88a2bd',
    500: '#537da1',
    950: '#000000',
  },
}

SCSS

$custom: #537da1;
$custom-light: #88a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#537da1",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 161
  },
  "hsl": {
    "h": 207.692,
    "s": 31.967,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57365,
    "c": 0.07281,
    "h": 245.4
  },
  "luminance": 0.19079
}

Semantic roles & 50–950 ramp

primary

#537DA1

secondary

#BBA694

accent

#9060C8

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537DA1

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

Preview Lab → · Contrast checker → · Palette generator →