#5183DE#5183DE

#5183DE is a mid, vivid blue. Relative luminance 0.233; OKLCH L 61.9% C 0.148 H 261.4°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5183DE
RGB	rgb(81, 131, 222)
HSL	hsl(219, 68%, 59%)
HSV	hsv(219, 64%, 87%)
CMYK	cmyk(63.5%, 41%, 0%, 12.9%)
CIE-LAB	lab(55.33, 11.56, -51.48)
CIE-LCH	lch(55.33, 52.76, 282.66°)
OKLab	oklab(61.86% -0.0222 -0.1467)
OKLCH	oklch(61.86% 0.148 261.4)
XYZ	xyz(24.6898, 23.2535, 72.2803)
Luminance	0.2326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183DE #DEAC51

analogous

#51CADE #5183DE #6551DE

triadic

#5183DE #DE5183 #83DE51

tetradic

#5183DE #DE51CA #DEAC51 #51DE65

square

#5183DE #DE51CA #DEAC51 #51DE65

split-complementary

#5183DE #DE6551 #CADE51

monochromatic

#1D4898 #2761CB #5183DE #84A8E8 #B8CCF2

Accessibility & contrast

On white

3.72

#5183DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#5183DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183DE

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183DE	#FFFFFF	#000000	##000000
##5183DE	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8CE2

Deuteranopia (green-blind)

#457EDC

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5183de;
/* rgb */ color: rgb(81, 131, 222);
/* oklch */ color: oklch(61.9% 0.148 261.4);

Tailwind

colors: {
  custom: {
    50: '#8fa6e9',
    500: '#5183de',
    950: '#000000',
  },
}

SCSS

$custom: #5183de;
$custom-light: #8fa6e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5183de",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 222
  },
  "hsl": {
    "h": 218.723,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.61857,
    "c": 0.14833,
    "h": 261.4
  },
  "luminance": 0.23256
}

Semantic roles & 50–950 ramp

primary

#5183DE

secondary

#E1CDAA

accent

#AD3DEB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5183DE

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

Preview Lab → · Contrast checker → · Palette generator →