#4083E2#4083E2

#4083E2 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.4% C 0.159 H 257.6°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4083E2
RGB	rgb(64, 131, 226)
HSL	hsl(215, 74%, 57%)
HSV	hsv(215, 72%, 89%)
CMYK	cmyk(71.7%, 42%, 0%, 11.4%)
CIE-LAB	lab(54.88, 10.32, -54.49)
CIE-LCH	lch(54.88, 55.46, 280.72°)
OKLab	oklab(61.39% -0.0343 -0.1557)
OKLCH	oklch(61.39% 0.159 257.6)
XYZ	xyz(23.9531, 22.8110, 75.0773)
Luminance	0.2281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083E2 #E29F40

analogous

#40D4E2 #4083E2 #4E40E2

triadic

#4083E2 #E24083 #83E240

tetradic

#4083E2 #E240D4 #E29F40 #40E24E

square

#4083E2 #E240D4 #E29F40 #40E24E

split-complementary

#4083E2 #E24E40 #D4E240

monochromatic

#164992 #1E64C7 #4083E2 #75A5EA #AAC8F2

Accessibility & contrast

On white

3.78

#4083E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#4083E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083E2

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083E2	#FFFFFF	#000000	##000000
##4083E2	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558BE6

Deuteranopia (green-blind)

#397CE0

Tritanopia (blue-blind)

#0099A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4083e2;
/* rgb */ color: rgb(64, 131, 226);
/* oklch */ color: oklch(61.4% 0.159 257.6);

Tailwind

colors: {
  custom: {
    50: '#88a6eb',
    500: '#4083e2',
    950: '#000000',
  },
}

SCSS

$custom: #4083e2;
$custom-light: #88a6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4083e2",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 226
  },
  "hsl": {
    "h": 215.185,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.6139,
    "c": 0.15948,
    "h": 257.6
  },
  "luminance": 0.22814
}

Semantic roles & 50–950 ramp

primary

#4083E2

secondary

#E0C59E

accent

#A438F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4083E2

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

Preview Lab → · Contrast checker → · Palette generator →