#4081E2#4081E2

#4081E2 is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.0% C 0.162 H 258.4°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4081E2
RGB	rgb(64, 129, 226)
HSL	hsl(216, 74%, 57%)
HSV	hsv(216, 72%, 89%)
CMYK	cmyk(71.7%, 42.9%, 0%, 11.4%)
CIE-LAB	lab(54.32, 11.54, -55.38)
CIE-LCH	lch(54.32, 56.57, 281.77°)
OKLab	oklab(60.96% -0.0325 -0.1584)
OKLCH	oklch(60.96% 0.162 258.4)
XYZ	xyz(23.6871, 22.2789, 74.9887)
Luminance	0.2228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4081E2 #E2A140

analogous

#40D2E2 #4081E2 #5040E2

triadic

#4081E2 #E24081 #81E240

tetradic

#4081E2 #E240D2 #E2A140 #40E250

square

#4081E2 #E240D2 #E2A140 #40E250

split-complementary

#4081E2 #E25040 #D2E240

monochromatic

#164892 #1E62C7 #4081E2 #75A4EA #AAC7F2

Accessibility & contrast

On white

3.85

#4081E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4081E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081E2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4081E2	#FFFFFF	#000000	##000000
##4081E2	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518AE6

Deuteranopia (green-blind)

#347BE0

Tritanopia (blue-blind)

#0098A6

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4081e2;
/* rgb */ color: rgb(64, 129, 226);
/* oklch */ color: oklch(61.0% 0.162 258.4);

Tailwind

colors: {
  custom: {
    50: '#88a5ec',
    500: '#4081e2',
    950: '#000000',
  },
}

SCSS

$custom: #4081e2;
$custom-light: #88a5ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4081e2",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 226
  },
  "hsl": {
    "h": 215.926,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.6096,
    "c": 0.16171,
    "h": 258.4
  },
  "luminance": 0.22281
}

Semantic roles & 50–950 ramp

primary

#4081E2

secondary

#E0C59E

accent

#A638F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4081E2

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

Preview Lab → · Contrast checker → · Palette generator →