#4182EA#4182EA

#4182EA is a mid, vivid blue. Relative luminance 0.230; OKLCH L 61.7% C 0.171 H 259.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4182EA
RGB	rgb(65, 130, 234)
HSL	hsl(217, 80%, 59%)
HSV	hsv(217, 72%, 92%)
CMYK	cmyk(72.2%, 44.4%, 0%, 8.2%)
CIE-LAB	lab(55.10, 13.93, -58.60)
CIE-LCH	lch(55.10, 60.23, 283.37°)
OKLab	oklab(61.72% -0.0312 -0.1678)
OKLCH	oklch(61.72% 0.171 259.5)
XYZ	xyz(25.0085, 23.0269, 80.9526)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4182EA #EAA941

analogous

#41D6EA #4182EA #5441EA

triadic

#4182EA #EA4182 #82EA41

tetradic

#4182EA #EA41D6 #EAA941 #41EA54

square

#4182EA #EA41D6 #EAA941 #41EA54

split-complementary

#4182EA #EA5441 #D6EA41

monochromatic

#12489F #1861D6 #4182EA #78A6F0 #AFCBF6

Accessibility & contrast

On white

3.75

#4182EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#4182EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4182EA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4182EA	#FFFFFF	#000000	##000000
##4182EA	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8CEE

Deuteranopia (green-blind)

#2B7DE8

Tritanopia (blue-blind)

#009AAB

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4182ea;
/* rgb */ color: rgb(65, 130, 234);
/* oklch */ color: oklch(61.7% 0.171 259.5);

Tailwind

colors: {
  custom: {
    50: '#8aa5f1',
    500: '#4182ea',
    950: '#000000',
  },
}

SCSS

$custom: #4182ea;
$custom-light: #8aa5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4182ea",
  "rgb": {
    "r": 65,
    "g": 130,
    "b": 234
  },
  "hsl": {
    "h": 216.923,
    "s": 80.095,
    "l": 58.627
  },
  "oklch": {
    "l": 0.61722,
    "c": 0.17072,
    "h": 259.5
  },
  "luminance": 0.2303
}

Semantic roles & 50–950 ramp

primary

#4182EA

secondary

#E5CBA2

accent

#AB31F7

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4182EA

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

Preview Lab → · Contrast checker → · Palette generator →