#5174BB#5174BB

#5174BB is a mid, moderate blue. Relative luminance 0.178; OKLCH L 56.6% C 0.117 H 263.3°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5174BB
RGB	rgb(81, 116, 187)
HSL	hsl(220, 44%, 53%)
HSV	hsv(220, 57%, 73%)
CMYK	cmyk(56.7%, 38%, 0%, 26.7%)
CIE-LAB	lab(49.28, 8.91, -41.19)
CIE-LCH	lch(49.28, 42.14, 282.21°)
OKLab	oklab(56.57% -0.0138 -0.1167)
OKLCH	oklch(56.57% 0.117 263.3)
XYZ	xyz(18.6053, 17.8265, 49.4645)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174BB #BB9851

analogous

#51A9BB #5174BB #6351BB

triadic

#5174BB #BB5174 #74BB51

tetradic

#5174BB #BB51A9 #BB9851 #51BB63

square

#5174BB #BB51A9 #BB9851 #51BB63

split-complementary

#5174BB #BB6351 #A9BB51

monochromatic

#293E69 #3A5895 #5174BB #7D97CC #A9BADD

Accessibility & contrast

On white

4.60

#5174BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#5174BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5174BB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174BB	#FFFFFF	#000000	##FFFFFF
##5174BB	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577ABE

Deuteranopia (green-blind)

#4971B9

Tritanopia (blue-blind)

#04848E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5174bb;
/* rgb */ color: rgb(81, 116, 187);
/* oklch */ color: oklch(56.6% 0.117 263.3);

Tailwind

colors: {
  custom: {
    50: '#8a9bd0',
    500: '#5174bb',
    950: '#000000',
  },
}

SCSS

$custom: #5174bb;
$custom-light: #8a9bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5174bb",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 187
  },
  "hsl": {
    "h": 220.189,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56567,
    "c": 0.11749,
    "h": 263.3
  },
  "luminance": 0.17828
}

Semantic roles & 50–950 ramp

primary

#5174BB

secondary

#CBBC9D

accent

#AA54D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #5174BB

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

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