#537ABA#537ABA

#537ABA is a mid, moderate blue. Relative luminance 0.193; OKLCH L 57.9% C 0.108 H 259.9°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#537ABA
RGB	rgb(83, 122, 186)
HSL	hsl(217, 43%, 53%)
HSV	hsv(217, 55%, 73%)
CMYK	cmyk(55.4%, 34.4%, 0%, 27.1%)
CIE-LAB	lab(51.04, 5.37, -37.84)
CIE-LCH	lch(51.04, 38.21, 278.07°)
OKLab	oklab(57.94% -0.019 -0.1068)
OKLCH	oklch(57.94% 0.109 259.9)
XYZ	xyz(19.3867, 19.3017, 49.1488)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ABA #BA9353

analogous

#53ADBA #537ABA #6053BA

triadic

#537ABA #BA537A #7ABA53

tetradic

#537ABA #BA53AD #BA9353 #53BA60

square

#537ABA #BA53AD #BA9353 #53BA60

split-complementary

#537ABA #BA6053 #ADBA53

monochromatic

#2A4269 #3B5D94 #537ABA #7F9CCC #AABEDD

Accessibility & contrast

On white

4.32

#537ABA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#537ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ABA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ABA	#FFFFFF	#000000	##000000
##537ABA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBD

Deuteranopia (green-blind)

#5375B9

Tritanopia (blue-blind)

#128891

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537aba;
/* rgb */ color: rgb(83, 122, 186);
/* oklch */ color: oklch(57.9% 0.108 259.9);

Tailwind

colors: {
  custom: {
    50: '#8aa0cf',
    500: '#537aba',
    950: '#000000',
  },
}

SCSS

$custom: #537aba;
$custom-light: #8aa0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#537aba",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 186
  },
  "hsl": {
    "h": 217.282,
    "s": 42.739,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5794,
    "c": 0.1085,
    "h": 259.9
  },
  "luminance": 0.19303
}

Semantic roles & 50–950 ramp

primary

#537ABA

secondary

#CBBA9E

accent

#A355D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #537ABA

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

Preview Lab → · Contrast checker → · Palette generator →