#4082EF#4082EF

#4082EF is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.0% C 0.178 H 259.9°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#4082EF
RGB	rgb(64, 130, 239)
HSL	hsl(217, 85%, 59%)
HSV	hsv(217, 73%, 94%)
CMYK	cmyk(73.2%, 45.6%, 0%, 6.3%)
CIE-LAB	lab(55.36, 15.60, -60.96)
CIE-LCH	lch(55.36, 62.92, 284.35°)
OKLab	oklab(62.01% -0.0311 -0.1748)
OKLCH	oklch(62.01% 0.178 259.9)
XYZ	xyz(25.6713, 23.2844, 84.7860)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4082EF #EFAD40

analogous

#40DAEF #4082EF #5540EF

triadic

#4082EF #EF4082 #82EF40

tetradic

#4082EF #EF40DA #EFAD40 #40EF55

square

#4082EF #EF40DA #EFAD40 #40EF55

split-complementary

#4082EF #EF5540 #DAEF40

monochromatic

#0E48A7 #1360DF #4082EF #78A7F4 #B1CCF8

Accessibility & contrast

On white

3.71

#4082EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#4082EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4082EF

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4082EF	#FFFFFF	#000000	##000000
##4082EF	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#498DF3

Deuteranopia (green-blind)

#207DED

Tritanopia (blue-blind)

#009CAD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4082ef;
/* rgb */ color: rgb(64, 130, 239);
/* oklch */ color: oklch(62.0% 0.178 259.9);

Tailwind

colors: {
  custom: {
    50: '#8aa5f5',
    500: '#4082ef',
    950: '#000000',
  },
}

SCSS

$custom: #4082ef;
$custom-light: #8aa5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4082ef",
  "rgb": {
    "r": 64,
    "g": 130,
    "b": 239
  },
  "hsl": {
    "h": 217.371,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.62012,
    "c": 0.17753,
    "h": 259.9
  },
  "luminance": 0.23287
}

Semantic roles & 50–950 ramp

primary

#4082EF

secondary

#E7CEA3

accent

#AD2DFB

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4082EF

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

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