#5174B2#5174B2

#5174B2 is a mid, moderate blue. Relative luminance 0.175; OKLCH L 56.1% C 0.105 H 261.2°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5174B2
RGB	rgb(81, 116, 178)
HSL	hsl(218, 39%, 51%)
HSV	hsv(218, 54%, 70%)
CMYK	cmyk(54.5%, 34.8%, 0%, 30.2%)
CIE-LAB	lab(48.83, 5.95, -36.71)
CIE-LCH	lch(48.83, 37.19, 279.21°)
OKLab	oklab(56.06% -0.016 -0.1036)
OKLCH	oklch(56.06% 0.105 261.2)
XYZ	xyz(17.6719, 17.4531, 44.5484)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174B2 #B28F51

analogous

#51A4B2 #5174B2 #5F51B2

triadic

#5174B2 #B25174 #74B251

tetradic

#5174B2 #B251A4 #B28F51 #51B25F

square

#5174B2 #B251A4 #B28F51 #51B25F

split-complementary

#5174B2 #B25F51 #A4B251

monochromatic

#2A3D5F #3D5889 #5174B2 #7B96C5 #A6B8D8

Accessibility & contrast

On white

4.68

#5174B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#5174B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5174B2

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174B2	#FFFFFF	#000000	##FFFFFF
##5174B2	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B79B5

Deuteranopia (green-blind)

#4F70B1

Tritanopia (blue-blind)

#1A828B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5174b2;
/* rgb */ color: rgb(81, 116, 178);
/* oklch */ color: oklch(56.1% 0.105 261.2);

Tailwind

colors: {
  custom: {
    50: '#889bc9',
    500: '#5174b2',
    950: '#000000',
  },
}

SCSS

$custom: #5174b2;
$custom-light: #889bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#5174b2",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 178
  },
  "hsl": {
    "h": 218.351,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56061,
    "c": 0.10484,
    "h": 261.2
  },
  "luminance": 0.17454
}

Semantic roles & 50–950 ramp

primary

#5174B2

secondary

#C5B59A

accent

#A459CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5174B2

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

Preview Lab → · Contrast checker → · Palette generator →