#537BB2#537BB2

#537BB2 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.097 H 256.6°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#537BB2
RGB	rgb(83, 123, 178)
HSL	hsl(215, 38%, 51%)
HSV	hsv(215, 53%, 70%)
CMYK	cmyk(53.4%, 30.9%, 0%, 30.2%)
CIE-LAB	lab(50.94, 2.18, -33.38)
CIE-LCH	lch(50.94, 33.45, 273.74°)
OKLab	oklab(57.74% -0.0224 -0.0939)
OKLCH	oklch(57.74% 0.097 256.6)
XYZ	xyz(18.6834, 19.2178, 44.8357)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BB2 #B28A53

analogous

#53AAB2 #537BB2 #5A53B2

triadic

#537BB2 #B2537B #7BB253

tetradic

#537BB2 #B253AA #B28A53 #53B25A

square

#537BB2 #B253AA #B28A53 #53B25A

split-complementary

#537BB2 #B25A53 #AAB253

monochromatic

#2B4160 #3E5E8A #537BB2 #7D9BC5 #A8BCD8

Accessibility & contrast

On white

4.34

#537BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#537BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BB2

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BB2	#FFFFFF	#000000	##000000
##537BB2	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)

#657EB4

Deuteranopia (green-blind)

#5975B1

Tritanopia (blue-blind)

#1F878F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537bb2;
/* rgb */ color: rgb(83, 123, 178);
/* oklch */ color: oklch(57.7% 0.097 256.6);

Tailwind

colors: {
  custom: {
    50: '#89a0c9',
    500: '#537bb2',
    950: '#000000',
  },
}

SCSS

$custom: #537bb2;
$custom-light: #89a0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#537bb2",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 178
  },
  "hsl": {
    "h": 214.737,
    "s": 38.153,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57739,
    "c": 0.0965,
    "h": 256.6
  },
  "luminance": 0.19219
}

Semantic roles & 50–950 ramp

primary

#537BB2

secondary

#C5B49B

accent

#9D5ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #537BB2

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

Preview Lab → · Contrast checker → · Palette generator →