#537CA5#537CA5

#537CA5 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.078 H 249.3°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#537CA5
RGB	rgb(83, 124, 165)
HSL	hsl(210, 33%, 49%)
HSV	hsv(210, 50%, 65%)
CMYK	cmyk(49.7%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(50.65, -2.50, -26.30)
CIE-LCH	lch(50.65, 26.41, 264.58°)
OKLab	oklab(57.32% -0.0277 -0.0734)
OKLCH	oklch(57.32% 0.078 249.3)
XYZ	xyz(17.5641, 18.9696, 38.3260)
Luminance	0.1897 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CA5 #A57C53

analogous

#53A5A5 #537CA5 #5353A5

triadic

#537CA5 #A5537C #7CA553

tetradic

#537CA5 #A553A5 #A57C53 #53A553

square

#537CA5 #A553A5 #A57C53 #53A553

split-complementary

#537CA5 #A55353 #A5A553

monochromatic

#2A3F54 #3F5D7C #537CA5 #799BBC #A2B9D0

Accessibility & contrast

On white

4.38

#537CA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#537CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CA5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CA5	#FFFFFF	#000000	##000000
##537CA5	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7DA7

Deuteranopia (green-blind)

#6175A4

Tritanopia (blue-blind)

#2D858A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537ca5;
/* rgb */ color: rgb(83, 124, 165);
/* oklch */ color: oklch(57.3% 0.078 249.3);

Tailwind

colors: {
  custom: {
    50: '#88a1c0',
    500: '#537ca5',
    950: '#000000',
  },
}

SCSS

$custom: #537ca5;
$custom-light: #88a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#537ca5",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 210,
    "s": 33.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57321,
    "c": 0.07848,
    "h": 249.3
  },
  "luminance": 0.18971
}

Semantic roles & 50–950 ramp

primary

#537CA5

secondary

#BEAA96

accent

#945FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537CA5

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

Preview Lab → · Contrast checker → · Palette generator →