#537DBF#537DBF

#537DBF is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.112 H 259.1°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#537DBF
RGB	rgb(83, 125, 191)
HSL	hsl(217, 46%, 54%)
HSV	hsv(217, 57%, 75%)
CMYK	cmyk(56.5%, 34.6%, 0%, 25.1%)
CIE-LAB	lab(52.14, 5.19, -38.98)
CIE-LCH	lch(52.14, 39.32, 277.58°)
OKLab	oklab(58.88% -0.0212 -0.1101)
OKLCH	oklch(58.88% 0.112 259.1)
XYZ	xyz(20.3016, 20.2662, 52.1220)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DBF #BF9553

analogous

#53B3BF #537DBF #5F53BF

triadic

#537DBF #BF537D #7DBF53

tetradic

#537DBF #BF53B3 #BF9553 #53BF5F

square

#537DBF #BF53B3 #BF9553 #53BF5F

split-complementary

#537DBF #BF5F53 #B3BF53

monochromatic

#29446E #3A609B #537DBF #809FD0 #ACC0E0

Accessibility & contrast

On white

4.16

#537DBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#537DBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DBF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DBF	#FFFFFF	#000000	##000000
##537DBF	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#5478BE

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537dbf;
/* rgb */ color: rgb(83, 125, 191);
/* oklch */ color: oklch(58.9% 0.112 259.1);

Tailwind

colors: {
  custom: {
    50: '#8ba2d2',
    500: '#537dbf',
    950: '#000000',
  },
}

SCSS

$custom: #537dbf;
$custom-light: #8ba2d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537dbf",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 191
  },
  "hsl": {
    "h": 216.667,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58877,
    "c": 0.11213,
    "h": 259.1
  },
  "luminance": 0.20268
}

Semantic roles & 50–950 ramp

primary

#537DBF

secondary

#CEBCA0

accent

#A252D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F14

muted

#7D7E82

Preview Lab

Preview with #537DBF

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

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