#5174E4#5174E4

#5174E4 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.2% C 0.174 H 267.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5174E4
RGB	rgb(81, 116, 228)
HSL	hsl(226, 73%, 61%)
HSV	hsv(226, 64%, 89%)
CMYK	cmyk(64.5%, 49.1%, 0%, 10.6%)
CIE-LAB	lab(51.66, 22.81, -60.74)
CIE-LCH	lch(51.66, 64.88, 290.59°)
OKLab	oklab(59.15% -0.0068 -0.1741)
OKLCH	oklch(59.15% 0.174 267.7)
XYZ	xyz(23.6375, 19.8394, 75.9674)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174E4 #E4C151

analogous

#51BEE4 #5174E4 #7751E4

triadic

#5174E4 #E45174 #74E451

tetradic

#5174E4 #E451BE #E4C151 #51E477

square

#5174E4 #E451BE #E4C151 #51E477

split-complementary

#5174E4 #E47751 #BEE451

monochromatic

#193AA2 #214CD7 #5174E4 #869EEC #BBC9F4

Accessibility & contrast

On white

4.23

#5174E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5174E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5174E4

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174E4	#FFFFFF	#000000	##000000
##5174E4	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3682E8

Deuteranopia (green-blind)

#0C75E2

Tritanopia (blue-blind)

#008EA1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5174e4;
/* rgb */ color: rgb(81, 116, 228);
/* oklch */ color: oklch(59.2% 0.174 267.7);

Tailwind

colors: {
  custom: {
    50: '#909bed',
    500: '#5174e4',
    950: '#000000',
  },
}

SCSS

$custom: #5174e4;
$custom-light: #909bed;
$custom-dark: #000000;

JSON

{
  "hex": "#5174e4",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 228
  },
  "hsl": {
    "h": 225.714,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.59151,
    "c": 0.1742,
    "h": 267.7
  },
  "luminance": 0.19842
}

Semantic roles & 50–950 ramp

primary

#5174E4

secondary

#E4D7AC

accent

#A610D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5174E4

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

Preview Lab → · Contrast checker → · Palette generator →