#4174DD#4174DD

#4174DD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.9% C 0.170 H 262.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4174DD
RGB	rgb(65, 116, 221)
HSL	hsl(220, 70%, 56%)
HSV	hsv(220, 71%, 87%)
CMYK	cmyk(70.6%, 47.5%, 0%, 13.3%)
CIE-LAB	lab(50.49, 17.92, -58.71)
CIE-LCH	lch(50.49, 61.38, 286.97°)
OKLab	oklab(57.93% -0.0213 -0.1684)
OKLCH	oklch(57.93% 0.17 262.8)
XYZ	xyz(21.4719, 18.8328, 70.8961)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4174DD #DDAA41

analogous

#41C2DD #4174DD #5C41DD

triadic

#4174DD #DD4174 #74DD41

tetradic

#4174DD #DD41C2 #DDAA41 #41DD5C

square

#4174DD #DD41C2 #DDAA41 #41DD5C

split-complementary

#4174DD #DD5C41 #C2DD41

monochromatic

#193E8B #2255BF #4174DD #759AE6 #A9C0F0

Accessibility & contrast

On white

4.41

#4174DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4174DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4174DD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4174DD	#FFFFFF	#000000	##000000
##4174DD	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B80E1

Deuteranopia (green-blind)

#0F71DB

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4174dd;
/* rgb */ color: rgb(65, 116, 221);
/* oklch */ color: oklch(57.9% 0.170 262.8);

Tailwind

colors: {
  custom: {
    50: '#889be8',
    500: '#4174dd',
    950: '#000000',
  },
}

SCSS

$custom: #4174dd;
$custom-light: #889be8;
$custom-dark: #000000;

JSON

{
  "hex": "#4174dd",
  "rgb": {
    "r": 65,
    "g": 116,
    "b": 221
  },
  "hsl": {
    "h": 220.385,
    "s": 69.643,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57925,
    "c": 0.16974,
    "h": 262.8
  },
  "luminance": 0.18835
}

Semantic roles & 50–950 ramp

primary

#4174DD

secondary

#DDC89D

accent

#B33BEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4174DD

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

Preview Lab → · Contrast checker → · Palette generator →