#5183DA#5183DA

#5183DA is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.6% C 0.143 H 260.7°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5183DA
RGB	rgb(81, 131, 218)
HSL	hsl(218, 65%, 59%)
HSV	hsv(218, 63%, 85%)
CMYK	cmyk(62.8%, 39.9%, 0%, 14.5%)
CIE-LAB	lab(55.12, 10.20, -49.58)
CIE-LCH	lch(55.12, 50.62, 281.62°)
OKLab	oklab(61.62% -0.023 -0.1411)
OKLCH	oklch(61.62% 0.143 260.7)
XYZ	xyz(24.1601, 23.0416, 69.4903)
Luminance	0.2304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183DA #DAA851

analogous

#51C7DA #5183DA #6351DA

triadic

#5183DA #DA5183 #83DA51

tetradic

#5183DA #DA51C7 #DAA851 #51DA63

square

#5183DA #DA51C7 #DAA851 #51DA63

split-complementary

#5183DA #DA6351 #C7DA51

monochromatic

#1F4992 #2A62C4 #5183DA #83A7E5 #B6CBEF

Accessibility & contrast

On white

3.74

#5183DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#5183DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183DA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183DA	#FFFFFF	#000000	##000000
##5183DA	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8BDD

Deuteranopia (green-blind)

#497ED8

Tritanopia (blue-blind)

#0097A4

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5183da;
/* rgb */ color: rgb(81, 131, 218);
/* oklch */ color: oklch(61.6% 0.143 260.7);

Tailwind

colors: {
  custom: {
    50: '#8ea6e6',
    500: '#5183da',
    950: '#000000',
  },
}

SCSS

$custom: #5183da;
$custom-light: #8ea6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5183da",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 218
  },
  "hsl": {
    "h": 218.102,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.61618,
    "c": 0.14295,
    "h": 260.7
  },
  "luminance": 0.23044
}

Semantic roles & 50–950 ramp

primary

#5183DA

secondary

#DECBA8

accent

#AB40E8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5183DA

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

Preview Lab → · Contrast checker → · Palette generator →