#5174CC#5174CC

#5174CC is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.6% C 0.141 H 265.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#5174CC
RGB	rgb(81, 116, 204)
HSL	hsl(223, 55%, 56%)
HSV	hsv(223, 60%, 80%)
CMYK	cmyk(60.3%, 43.1%, 0%, 20%)
CIE-LAB	lab(50.21, 14.62, -49.46)
CIE-LCH	lch(50.21, 51.58, 286.46°)
OKLab	oklab(57.58% -0.0103 -0.1409)
OKLCH	oklch(57.58% 0.141 265.8)
XYZ	xyz(20.5341, 18.5980, 59.6227)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174CC #CCA951

analogous

#51B1CC #5174CC #6B51CC

triadic

#5174CC #CC5174 #74CC51

tetradic

#5174CC #CC51B1 #CCA951 #51CC6B

square

#5174CC #CC51B1 #CCA951 #51CC6B

split-complementary

#5174CC #CC6B51 #B1CC51

monochromatic

#253E7E #3356AD #5174CC #809ADA #B0C0E8

Accessibility & contrast

On white

4.45

#5174CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#5174CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5174CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174CC	#FFFFFF	#000000	##000000
##5174CC	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCF

Deuteranopia (green-blind)

#3A72CA

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5174cc;
/* rgb */ color: rgb(81, 116, 204);
/* oklch */ color: oklch(57.6% 0.141 265.8);

Tailwind

colors: {
  custom: {
    50: '#8c9bdc',
    500: '#5174cc',
    950: '#000000',
  },
}

SCSS

$custom: #5174cc;
$custom-light: #8c9bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#5174cc",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 204
  },
  "hsl": {
    "h": 222.927,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57585,
    "c": 0.14131,
    "h": 265.8
  },
  "luminance": 0.186
}

Semantic roles & 50–950 ramp

primary

#5174CC

secondary

#D6C7A3

accent

#B44ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5174CC

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

Preview Lab → · Contrast checker → · Palette generator →