#537FEE#537FEE

#537FEE is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.1% C 0.174 H 265.4°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#537FEE
RGB	rgb(83, 127, 238)
HSL	hsl(223, 82%, 63%)
HSV	hsv(223, 65%, 93%)
CMYK	cmyk(65.1%, 46.6%, 0%, 6.7%)
CIE-LAB	lab(55.27, 19.81, -60.52)
CIE-LCH	lch(55.27, 63.68, 288.12°)
OKLab	oklab(62.13% -0.0139 -0.1732)
OKLCH	oklch(62.13% 0.174 265.4)
XYZ	xyz(26.5839, 23.1883, 83.9472)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FEE #EEC253

analogous

#53CCEE #537FEE #7453EE

triadic

#537FEE #EE537F #7FEE53

tetradic

#537FEE #EE53CC #EEC253 #53EE74

square

#537FEE #EE53CC #EEC253 #53EE74

split-complementary

#537FEE #EE7453 #CCEE53

monochromatic

#1240B5 #1B56E8 #537FEE #8BA8F4 #C2D2F9

Accessibility & contrast

On white

3.72

#537FEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#537FEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FEE

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FEE	#FFFFFF	#000000	##000000
##537FEE	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468CF2

Deuteranopia (green-blind)

#267EEC

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #537fee;
/* rgb */ color: rgb(83, 127, 238);
/* oklch */ color: oklch(62.1% 0.174 265.4);

Tailwind

colors: {
  custom: {
    50: '#92a3f4',
    500: '#537fee',
    950: '#000000',
  },
}

SCSS

$custom: #537fee;
$custom-light: #92a3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#537fee",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 238
  },
  "hsl": {
    "h": 222.968,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62128,
    "c": 0.17379,
    "h": 265.4
  },
  "luminance": 0.23191
}

Semantic roles & 50–950 ramp

primary

#537FEE

secondary

#EADAB2

accent

#A107DE

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #537FEE

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

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