#4182E0#4182E0

#4182E0 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.1% C 0.158 H 257.9°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4182E0
RGB	rgb(65, 130, 224)
HSL	hsl(215, 72%, 57%)
HSV	hsv(215, 71%, 88%)
CMYK	cmyk(71%, 42%, 0%, 12.2%)
CIE-LAB	lab(54.52, 10.35, -53.94)
CIE-LCH	lch(54.52, 54.92, 280.86°)
OKLab	oklab(61.09% -0.0331 -0.1541)
OKLCH	oklch(61.09% 0.158 257.9)
XYZ	xyz(23.6123, 22.4684, 73.5990)
Luminance	0.2247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182E0 #E09F41

analogous

#41D1E0 #4182E0 #5041E0

triadic

#4182E0 #E04182 #82E041

tetradic

#4182E0 #E041D1 #E09F41 #41E050

square

#4182E0 #E041D1 #E09F41 #41E050

split-complementary

#4182E0 #E05041 #D1E041

monochromatic

#17488F #2063C4 #4182E0 #76A5E9 #AAC7F1

Accessibility & contrast

On white

3.82

#4182E0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4182E0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182E0

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182E0	#FFFFFF	#000000	##000000
##4182E0	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE4

Deuteranopia (green-blind)

#397CDE

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4182e0;
/* rgb */ color: rgb(65, 130, 224);
/* oklch */ color: oklch(61.1% 0.158 257.9);

Tailwind

colors: {
  custom: {
    50: '#88a5ea',
    500: '#4182e0',
    950: '#000000',
  },
}

SCSS

$custom: #4182e0;
$custom-light: #88a5ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4182e0",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 224
  },
  "hsl": {
    "h": 215.472,
    "s": 71.946,
    "l": 56.667
  },
  "oklch": {
    "l": 0.61086,
    "c": 0.15765,
    "h": 257.9
  },
  "luminance": 0.22471
}

Semantic roles & 50–950 ramp

primary

#4182E0

secondary

#DFC49E

accent

#A439EF

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4182E0

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

Preview Lab → · Contrast checker → · Palette generator →