#537ABC#537ABC

#537ABC is a mid, moderate blue. Relative luminance 0.194; OKLCH L 58.1% C 0.111 H 260.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#537ABC
RGB	rgb(83, 122, 188)
HSL	hsl(218, 44%, 53%)
HSV	hsv(218, 56%, 74%)
CMYK	cmyk(55.9%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(51.14, 6.02, -38.83)
CIE-LCH	lch(51.14, 39.29, 278.81°)
OKLab	oklab(58.05% -0.0185 -0.1097)
OKLCH	oklch(58.05% 0.111 260.4)
XYZ	xyz(19.6008, 19.3874, 50.2764)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ABC #BC9553

analogous

#53AFBC #537ABC #6053BC

triadic

#537ABC #BC537A #7ABC53

tetradic

#537ABC #BC53AF #BC9553 #53BC60

square

#537ABC #BC53AF #BC9553 #53BC60

split-complementary

#537ABC #BC6053 #AFBC53

monochromatic

#2A426B #3B5D97 #537ABC #7F9CCD #ABBEDE

Accessibility & contrast

On white

4.31

#537ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#537ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ABC

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ABC	#FFFFFF	#000000	##000000
##537ABC	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FBF

Deuteranopia (green-blind)

#5275BB

Tritanopia (blue-blind)

#0C8992

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537abc;
/* rgb */ color: rgb(83, 122, 188);
/* oklch */ color: oklch(58.1% 0.111 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ba0d0',
    500: '#537abc',
    950: '#000000',
  },
}

SCSS

$custom: #537abc;
$custom-light: #8ba0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#537abc",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 217.714,
    "s": 43.933,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.11127,
    "h": 260.4
  },
  "luminance": 0.19389
}

Semantic roles & 50–950 ramp

primary

#537ABC

secondary

#CCBB9F

accent

#A454D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #537ABC

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

Preview Lab → · Contrast checker → · Palette generator →