#537CBF#537CBF

#537CBF is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.7% C 0.113 H 259.8°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#537CBF
RGB	rgb(83, 124, 191)
HSL	hsl(217, 46%, 54%)
HSV	hsv(217, 57%, 75%)
CMYK	cmyk(56.5%, 35.1%, 0%, 25.1%)
CIE-LAB	lab(51.85, 5.79, -39.42)
CIE-LCH	lch(51.85, 39.85, 278.36°)
OKLab	oklab(58.66% -0.02 -0.1114)
OKLCH	oklch(58.66% 0.113 259.8)
XYZ	xyz(20.1757, 20.0143, 52.0801)
Luminance	0.2002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CBF #BF9653

analogous

#53B2BF #537CBF #6053BF

triadic

#537CBF #BF537C #7CBF53

tetradic

#537CBF #BF53B2 #BF9653 #53BF60

square

#537CBF #BF53B2 #BF9653 #53BF60

split-complementary

#537CBF #BF6053 #B2BF53

monochromatic

#29436E #3A5F9B #537CBF #809ED0 #ACC0E0

Accessibility & contrast

On white

4.20

#537CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#537CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CBF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CBF	#FFFFFF	#000000	##000000
##537CBF	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C2

Deuteranopia (green-blind)

#5377BE

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537cbf;
/* rgb */ color: rgb(83, 124, 191);
/* oklch */ color: oklch(58.7% 0.113 259.8);

Tailwind

colors: {
  custom: {
    50: '#8ba1d2',
    500: '#537cbf',
    950: '#000000',
  },
}

SCSS

$custom: #537cbf;
$custom-light: #8ba1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537cbf",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 191
  },
  "hsl": {
    "h": 217.222,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.58656,
    "c": 0.11322,
    "h": 259.8
  },
  "luminance": 0.20016
}

Semantic roles & 50–950 ramp

primary

#537CBF

secondary

#CEBCA0

accent

#A452D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #537CBF

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

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