#4182DF#4182DF

#4182DF is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.0% C 0.156 H 257.7°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4182DF
RGB	rgb(65, 130, 223)
HSL	hsl(215, 71%, 56%)
HSV	hsv(215, 71%, 87%)
CMYK	cmyk(70.9%, 41.7%, 0%, 12.5%)
CIE-LAB	lab(54.46, 9.99, -53.47)
CIE-LCH	lch(54.46, 54.39, 280.59°)
OKLab	oklab(61.02% -0.0333 -0.1527)
OKLCH	oklch(61.02% 0.156 257.7)
XYZ	xyz(23.4770, 22.4143, 72.8868)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182DF #DF9E41

analogous

#41D1DF #4182DF #4F41DF

triadic

#4182DF #DF4182 #82DF41

tetradic

#4182DF #DF41D1 #DF9E41 #41DF4F

square

#4182DF #DF41D1 #DF9E41 #41DF4F

split-complementary

#4182DF #DF4F41 #D1DF41

monochromatic

#18488E #2163C2 #4182DF #75A4E8 #AAC7F1

Accessibility & contrast

On white

3.83

#4182DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4182DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182DF

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182DF	#FFFFFF	#000000	##000000
##4182DF	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE3

Deuteranopia (green-blind)

#3B7CDD

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4182df;
/* rgb */ color: rgb(65, 130, 223);
/* oklch */ color: oklch(61.0% 0.156 257.7);

Tailwind

colors: {
  custom: {
    50: '#88a5e9',
    500: '#4182df',
    950: '#000000',
  },
}

SCSS

$custom: #4182df;
$custom-light: #88a5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4182df",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 223
  },
  "hsl": {
    "h": 215.316,
    "s": 71.171,
    "l": 56.471
  },
  "oklch": {
    "l": 0.61024,
    "c": 0.15634,
    "h": 257.7
  },
  "luminance": 0.22417
}

Semantic roles & 50–950 ramp

primary

#4182DF

secondary

#DEC49D

accent

#A43AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4182DF

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

Preview Lab → · Contrast checker → · Palette generator →