#538EE3#538EE3

#538EE3 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.6% C 0.142 H 257.6°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#538EE3
RGB	rgb(83, 142, 227)
HSL	hsl(215, 72%, 61%)
HSV	hsv(215, 63%, 89%)
CMYK	cmyk(63.4%, 37.4%, 0%, 11%)
CIE-LAB	lab(58.72, 7.01, -48.88)
CIE-LCH	lch(58.72, 49.38, 278.16°)
OKLab	oklab(64.6% -0.0305 -0.1389)
OKLCH	oklch(64.6% 0.142 257.6)
XYZ	xyz(27.1004, 26.7285, 76.3891)
Luminance	0.2673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EE3 #E3A853

analogous

#53D6E3 #538EE3 #6053E3

triadic

#538EE3 #E3538E #8EE353

tetradic

#538EE3 #E353D6 #E3A853 #53E360

square

#538EE3 #E353D6 #E3A853 #53E360

split-complementary

#538EE3 #E36053 #D6E353

monochromatic

#1A52A1 #236CD6 #538EE3 #88B1EC #BCD3F4

Accessibility & contrast

On white

3.31

#538EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#538EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EE3

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EE3	#FFFFFF	#000000	##000000
##538EE3	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6995E6

Deuteranopia (green-blind)

#5487E1

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538ee3;
/* rgb */ color: rgb(83, 142, 227);
/* oklch */ color: oklch(64.6% 0.142 257.6);

Tailwind

colors: {
  custom: {
    50: '#90aeec',
    500: '#538ee3',
    950: '#000000',
  },
}

SCSS

$custom: #538ee3;
$custom-light: #90aeec;
$custom-dark: #000000;

JSON

{
  "hex": "#538ee3",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 227
  },
  "hsl": {
    "h": 215.417,
    "s": 72,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64596,
    "c": 0.14219,
    "h": 257.6
  },
  "luminance": 0.26731
}

Semantic roles & 50–950 ramp

primary

#538EE3

secondary

#E4CEAE

accent

#8411D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538EE3

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

Preview Lab → · Contrast checker → · Palette generator →