#537EBF#537EBF

#537EBF is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.1% C 0.111 H 258.4°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#537EBF
RGB	rgb(83, 126, 191)
HSL	hsl(216, 46%, 54%)
HSV	hsv(216, 57%, 75%)
CMYK	cmyk(56.5%, 34%, 0%, 25.1%)
CIE-LAB	lab(52.42, 4.59, -38.53)
CIE-LCH	lch(52.42, 38.80, 276.79°)
OKLab	oklab(59.1% -0.0223 -0.1088)
OKLCH	oklch(59.1% 0.111 258.4)
XYZ	xyz(20.4288, 20.5206, 52.1644)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EBF #BF9453

analogous

#53B4BF #537EBF #5E53BF

triadic

#537EBF #BF537E #7EBF53

tetradic

#537EBF #BF53B4 #BF9453 #53BF5E

square

#537EBF #BF53B4 #BF9453 #53BF5E

split-complementary

#537EBF #BF5E53 #B4BF53

monochromatic

#29456E #3A609B #537EBF #809FD0 #ACC1E0

Accessibility & contrast

On white

4.11

#537EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#537EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EBF

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EBF	#FFFFFF	#000000	##000000
##537EBF	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6383C2

Deuteranopia (green-blind)

#5678BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537ebf;
/* rgb */ color: rgb(83, 126, 191);
/* oklch */ color: oklch(59.1% 0.111 258.4);

Tailwind

colors: {
  custom: {
    50: '#8ba3d2',
    500: '#537ebf',
    950: '#000000',
  },
}

SCSS

$custom: #537ebf;
$custom-light: #8ba3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#537ebf",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 216.111,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59098,
    "c": 0.11107,
    "h": 258.4
  },
  "luminance": 0.20522
}

Semantic roles & 50–950 ramp

primary

#537EBF

secondary

#CEBCA0

accent

#A152D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F14

muted

#7D7E82

Preview Lab

Preview with #537EBF

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

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