#5178D6#5178D6

#5178D6 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.0% C 0.150 H 265.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5178D6
RGB	rgb(81, 120, 214)
HSL	hsl(222, 62%, 58%)
HSV	hsv(222, 62%, 84%)
CMYK	cmyk(62.1%, 43.9%, 0%, 16.1%)
CIE-LAB	lab(51.88, 15.55, -52.49)
CIE-LCH	lch(51.88, 54.74, 286.50°)
OKLab	oklab(59.05% -0.0127 -0.1498)
OKLCH	oklch(59.05% 0.15 265.2)
XYZ	xyz(22.2432, 20.0353, 66.3003)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5178D6 #D6AF51

analogous

#51BAD6 #5178D6 #6C51D6

triadic

#5178D6 #D65178 #78D651

tetradic

#5178D6 #D651BA #D6AF51 #51D66C

square

#5178D6 #D651BA #D6AF51 #51D66C

split-complementary

#5178D6 #D66C51 #BAD651

monochromatic

#21408C #2D57BD #5178D6 #839EE2 #B4C5ED

Accessibility & contrast

On white

4.19

#5178D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#5178D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5178D6

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5178D6	#FFFFFF	#000000	##000000
##5178D6	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C82DA

Deuteranopia (green-blind)

#3776D4

Tritanopia (blue-blind)

#008D9C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5178d6;
/* rgb */ color: rgb(81, 120, 214);
/* oklch */ color: oklch(59.0% 0.150 265.2);

Tailwind

colors: {
  custom: {
    50: '#8e9ee3',
    500: '#5178d6',
    950: '#000000',
  },
}

SCSS

$custom: #5178d6;
$custom-light: #8e9ee3;
$custom-dark: #000000;

JSON

{
  "hex": "#5178d6",
  "rgb": {
    "r": 81,
    "g": 120,
    "b": 214
  },
  "hsl": {
    "h": 222.406,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59049,
    "c": 0.15029,
    "h": 265.2
  },
  "luminance": 0.20037
}

Semantic roles & 50–950 ramp

primary

#5178D6

secondary

#DCCCA7

accent

#B543E5

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5178D6

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

Preview Lab → · Contrast checker → · Palette generator →