#5174DD#5174DD

#5174DD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.7% C 0.165 H 267.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5174DD
RGB	rgb(81, 116, 221)
HSL	hsl(225, 67%, 59%)
HSV	hsv(225, 63%, 87%)
CMYK	cmyk(63.3%, 47.5%, 0%, 13.3%)
CIE-LAB	lab(51.22, 20.41, -57.50)
CIE-LCH	lch(51.22, 61.01, 289.55°)
OKLab	oklab(58.68% -0.0077 -0.1645)
OKLCH	oklch(58.68% 0.165 267.3)
XYZ	xyz(22.6854, 19.4585, 70.9530)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174DD #DDBA51

analogous

#51BADD #5174DD #7451DD

triadic

#5174DD #DD5174 #74DD51

tetradic

#5174DD #DD51BA #DDBA51 #51DD74

square

#5174DD #DD51BA #DDBA51 #51DD74

split-complementary

#5174DD #DD7451 #BADD51

monochromatic

#1D3C96 #2750C9 #5174DD #849DE7 #B7C6F1

Accessibility & contrast

On white

4.29

#5174DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#5174DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5174DD

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174DD	#FFFFFF	#000000	##000000
##5174DD	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E81E1

Deuteranopia (green-blind)

#2274DB

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5174dd;
/* rgb */ color: rgb(81, 116, 221);
/* oklch */ color: oklch(58.7% 0.165 267.3);

Tailwind

colors: {
  custom: {
    50: '#8f9be8',
    500: '#5174dd',
    950: '#000000',
  },
}

SCSS

$custom: #5174dd;
$custom-light: #8f9be8;
$custom-dark: #000000;

JSON

{
  "hex": "#5174dd",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 221
  },
  "hsl": {
    "h": 225,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5868,
    "c": 0.16472,
    "h": 267.3
  },
  "luminance": 0.19461
}

Semantic roles & 50–950 ramp

primary

#5174DD

secondary

#E0D3AA

accent

#BF3EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5174DD

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

Preview Lab → · Contrast checker → · Palette generator →