#5174B8#5174B8

#5174B8 is a mid, moderate blue. Relative luminance 0.177; OKLCH L 56.4% C 0.113 H 262.7°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5174B8
RGB	rgb(81, 116, 184)
HSL	hsl(220, 42%, 52%)
HSV	hsv(220, 56%, 72%)
CMYK	cmyk(56%, 37%, 0%, 27.8%)
CIE-LAB	lab(49.13, 7.92, -39.70)
CIE-LCH	lch(49.13, 40.48, 281.28°)
OKLab	oklab(56.4% -0.0145 -0.1123)
OKLCH	oklch(56.4% 0.113 262.7)
XYZ	xyz(18.2875, 17.6994, 47.7907)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174B8 #B89551

analogous

#51A7B8 #5174B8 #6251B8

triadic

#5174B8 #B85174 #74B851

tetradic

#5174B8 #B851A7 #B89551 #51B862

square

#5174B8 #B851A7 #B89551 #51B862

split-complementary

#5174B8 #B86251 #A7B851

monochromatic

#293E65 #3B5891 #5174B8 #7C97CA #A8B9DB

Accessibility & contrast

On white

4.63

#5174B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#5174B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5174B8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174B8	#FFFFFF	#000000	##FFFFFF
##5174B8	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#587ABB

Deuteranopia (green-blind)

#4B70B7

Tritanopia (blue-blind)

#0E838D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5174b8;
/* rgb */ color: rgb(81, 116, 184);
/* oklch */ color: oklch(56.4% 0.113 262.7);

Tailwind

colors: {
  custom: {
    50: '#899bcd',
    500: '#5174b8',
    950: '#000000',
  },
}

SCSS

$custom: #5174b8;
$custom-light: #899bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#5174b8",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 184
  },
  "hsl": {
    "h": 219.612,
    "s": 42.041,
    "l": 51.961
  },
  "oklch": {
    "l": 0.56396,
    "c": 0.11327,
    "h": 262.7
  },
  "luminance": 0.17701
}

Semantic roles & 50–950 ramp

primary

#5174B8

secondary

#C9BA9C

accent

#A856D2

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #5174B8

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

Preview Lab → · Contrast checker → · Palette generator →