#537DA4#537DA4

#537DA4 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.076 H 247.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#537DA4
RGB	rgb(83, 125, 164)
HSL	hsl(209, 33%, 48%)
HSV	hsv(209, 49%, 64%)
CMYK	cmyk(49.4%, 23.8%, 0%, 35.7%)
CIE-LAB	lab(50.90, -3.39, -25.33)
CIE-LCH	lch(50.90, 25.55, 262.37°)
OKLab	oklab(57.51% -0.0293 -0.0706)
OKLCH	oklch(57.51% 0.076 247.5)
XYZ	xyz(17.5994, 19.1853, 37.8905)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DA4 #A47A53

analogous

#53A4A2 #537DA4 #5354A4

triadic

#537DA4 #A4537D #7DA453

tetradic

#537DA4 #A253A4 #A47A53 #54A453

square

#537DA4 #A253A4 #A47A53 #54A453

split-complementary

#537DA4 #A45354 #A4A253

monochromatic

#2A3F53 #3E5E7B #537DA4 #799BBB #A2BAD0

Accessibility & contrast

On white

4.34

#537DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#537DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DA4

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DA4	#FFFFFF	#000000	##000000
##537DA4	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#6376A3

Tritanopia (blue-blind)

#2D868A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537da4;
/* rgb */ color: rgb(83, 125, 164);
/* oklch */ color: oklch(57.5% 0.076 247.5);

Tailwind

colors: {
  custom: {
    50: '#88a2bf',
    500: '#537da4',
    950: '#000000',
  },
}

SCSS

$custom: #537da4;
$custom-light: #88a2bf;
$custom-dark: #000000;

JSON

{
  "hex": "#537da4",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 164
  },
  "hsl": {
    "h": 208.889,
    "s": 32.794,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57505,
    "c": 0.07646,
    "h": 247.5
  },
  "luminance": 0.19187
}

Semantic roles & 50–950 ramp

primary

#537DA4

secondary

#BDA996

accent

#925FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537DA4

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

Preview Lab → · Contrast checker → · Palette generator →