#537FCA#537FCA

#537FCA is a mid, vivid blue. Relative luminance 0.213; OKLCH L 59.9% C 0.125 H 260.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#537FCA
RGB	rgb(83, 127, 202)
HSL	hsl(218, 53%, 56%)
HSV	hsv(218, 59%, 79%)
CMYK	cmyk(58.9%, 37.1%, 0%, 20.8%)
CIE-LAB	lab(53.25, 7.61, -43.48)
CIE-LCH	lch(53.25, 44.15, 279.93°)
OKLab	oklab(59.93% -0.0207 -0.1233)
OKLCH	oklch(59.93% 0.125 260.5)
XYZ	xyz(21.8136, 21.2802, 58.8236)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FCA #CA9E53

analogous

#53BACA #537FCA #6253CA

triadic

#537FCA #CA537F #7FCA53

tetradic

#537FCA #CA53BA #CA9E53 #53CA62

square

#537FCA #CA53BA #CA9E53 #53CA62

split-complementary

#537FCA #CA6253 #BACA53

monochromatic

#26467C #3560AB #537FCA #82A2D8 #B1C5E7

Accessibility & contrast

On white

4.00

#537FCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#537FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FCA

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FCA	#FFFFFF	#000000	##000000
##537FCA	1.00	4.00	5.26	5.26
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#507AC8

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537fca;
/* rgb */ color: rgb(83, 127, 202);
/* oklch */ color: oklch(59.9% 0.125 260.5);

Tailwind

colors: {
  custom: {
    50: '#8da3da',
    500: '#537fca',
    950: '#000000',
  },
}

SCSS

$custom: #537fca;
$custom-light: #8da3da;
$custom-dark: #000000;

JSON

{
  "hex": "#537fca",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 202
  },
  "hsl": {
    "h": 217.815,
    "s": 52.889,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59927,
    "c": 0.12498,
    "h": 260.5
  },
  "luminance": 0.21282
}

Semantic roles & 50–950 ramp

primary

#537FCA

secondary

#D5C3A4

accent

#A74CDC

background

#F9FAFD

surface

#F1F3FB

border

#CBCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #537FCA

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

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