#538FF1#538FF1

#538FF1 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.6% C 0.159 H 259.7°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#538FF1
RGB	rgb(83, 143, 241)
HSL	hsl(217, 85%, 64%)
HSV	hsv(217, 66%, 95%)
CMYK	cmyk(65.6%, 40.7%, 0%, 5.5%)
CIE-LAB	lab(59.74, 11.16, -55.03)
CIE-LCH	lch(59.74, 56.15, 281.47°)
OKLab	oklab(65.62% -0.0284 -0.1569)
OKLCH	oklch(65.62% 0.159 259.7)
XYZ	xyz(29.2613, 27.8319, 87.0320)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FF1 #F1B553

analogous

#53DEF1 #538FF1 #6653F1

triadic

#538FF1 #F1538F #8FF153

tetradic

#538FF1 #F153DE #F1B553 #53F166

square

#538FF1 #F153DE #F1B553 #53F166

split-complementary

#538FF1 #F16653 #DEF153

monochromatic

#0F50BA #1A6AEC #538FF1 #8CB4F6 #C4D9FA

Accessibility & contrast

On white

3.20

#538FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#538FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FF1

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FF1	#FFFFFF	#000000	##000000
##538FF1	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6298F5

Deuteranopia (green-blind)

#4A89EF

Tritanopia (blue-blind)

#00A5B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #538ff1;
/* rgb */ color: rgb(83, 143, 241);
/* oklch */ color: oklch(65.6% 0.159 259.7);

Tailwind

colors: {
  custom: {
    50: '#92aff6',
    500: '#538ff1',
    950: '#000000',
  },
}

SCSS

$custom: #538ff1;
$custom-light: #92aff6;
$custom-dark: #000000;

JSON

{
  "hex": "#538ff1",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 241
  },
  "hsl": {
    "h": 217.215,
    "s": 84.946,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65624,
    "c": 0.15944,
    "h": 259.7
  },
  "luminance": 0.27835
}

Semantic roles & 50–950 ramp

primary

#538FF1

secondary

#ECD7B4

accent

#8D04E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538FF1

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

Preview Lab → · Contrast checker → · Palette generator →