#5381CF#5381CF

#5381CF is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.6% C 0.130 H 260.4°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#5381CF
RGB	rgb(83, 129, 207)
HSL	hsl(218, 56%, 57%)
HSV	hsv(218, 60%, 81%)
CMYK	cmyk(59.9%, 37.7%, 0%, 18.8%)
CIE-LAB	lab(54.07, 8.07, -45.03)
CIE-LCH	lch(54.07, 45.74, 280.17°)
OKLab	oklab(60.65% -0.0216 -0.1277)
OKLCH	oklch(60.65% 0.13 260.4)
XYZ	xyz(22.6761, 22.0425, 62.0790)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5381CF #CFA153

analogous

#53BFCF #5381CF #6353CF

triadic

#5381CF #CF5381 #81CF53

tetradic

#5381CF #CF53BF #CFA153 #53CF63

square

#5381CF #CF53BF #CFA153 #53CF63

split-complementary

#5381CF #CF6353 #BFCF53

monochromatic

#254883 #3262B3 #5381CF #83A4DC #B3C7EA

Accessibility & contrast

On white

3.88

#5381CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#5381CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5381CF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5381CF	#FFFFFF	#000000	##000000
##5381CF	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6088D2

Deuteranopia (green-blind)

#4F7CCD

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5381cf;
/* rgb */ color: rgb(83, 129, 207);
/* oklch */ color: oklch(60.6% 0.130 260.4);

Tailwind

colors: {
  custom: {
    50: '#8da5de',
    500: '#5381cf',
    950: '#000000',
  },
}

SCSS

$custom: #5381cf;
$custom-light: #8da5de;
$custom-dark: #000000;

JSON

{
  "hex": "#5381cf",
  "rgb": {
    "r": 83,
    "g": 129,
    "b": 207
  },
  "hsl": {
    "h": 217.742,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60646,
    "c": 0.12956,
    "h": 260.4
  },
  "luminance": 0.22045
}

Semantic roles & 50–950 ramp

primary

#5381CF

secondary

#D8C5A6

accent

#A748E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5381CF

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

Preview Lab → · Contrast checker → · Palette generator →