#537ABB#537ABB

#537ABB is a mid, moderate blue. Relative luminance 0.193; OKLCH L 58.0% C 0.110 H 260.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#537ABB
RGB	rgb(83, 122, 187)
HSL	hsl(218, 43%, 53%)
HSV	hsv(218, 56%, 73%)
CMYK	cmyk(55.6%, 34.8%, 0%, 26.7%)
CIE-LAB	lab(51.09, 5.69, -38.33)
CIE-LCH	lch(51.09, 38.75, 278.44°)
OKLab	oklab(58% -0.0188 -0.1083)
OKLCH	oklch(58% 0.11 260.2)
XYZ	xyz(19.4934, 19.3444, 49.7107)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537ABB #BB9453

analogous

#53AEBB #537ABB #6053BB

triadic

#537ABB #BB537A #7ABB53

tetradic

#537ABB #BB53AE #BB9453 #53BB60

square

#537ABB #BB53AE #BB9453 #53BB60

split-complementary

#537ABB #BB6053 #AEBB53

monochromatic

#2A426A #3B5D96 #537ABB #7F9CCC #ABBEDE

Accessibility & contrast

On white

4.31

#537ABB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#537ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537ABB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537ABB	#FFFFFF	#000000	##000000
##537ABB	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBE

Deuteranopia (green-blind)

#5375BA

Tritanopia (blue-blind)

#0F8892

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537abb;
/* rgb */ color: rgb(83, 122, 187);
/* oklch */ color: oklch(58.0% 0.110 260.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#537abb",
  "rgb": {
    "r": 83,
    "g": 122,
    "b": 187
  },
  "hsl": {
    "h": 217.5,
    "s": 43.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.57995,
    "c": 0.10988,
    "h": 260.2
  },
  "luminance": 0.19346
}

Semantic roles & 50–950 ramp

primary

#537ABB

secondary

#CBBB9E

accent

#A455D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #537ABB

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

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