#4083D9#4083D9

#4083D9 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.8% C 0.148 H 255.8°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#4083D9
RGB	rgb(64, 131, 217)
HSL	hsl(214, 67%, 55%)
HSV	hsv(214, 71%, 85%)
CMYK	cmyk(70.5%, 39.6%, 0%, 14.9%)
CIE-LAB	lab(54.38, 7.10, -50.24)
CIE-LCH	lch(54.38, 50.74, 278.05°)
OKLab	oklab(60.84% -0.0362 -0.1433)
OKLCH	oklch(60.84% 0.148 255.8)
XYZ	xyz(22.7504, 22.3299, 68.7433)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4083D9 #D99640

analogous

#40D0D9 #4083D9 #4940D9

triadic

#4083D9 #D94083 #83D940

tetradic

#4083D9 #D940D0 #D99640 #40D949

square

#4083D9 #D940D0 #D99640 #40D949

split-complementary

#4083D9 #D94940 #D0D940

monochromatic

#1A4984 #2465B7 #4083D9 #73A4E3 #A6C5ED

Accessibility & contrast

On white

3.84

#4083D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#4083D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4083D9

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4083D9	#FFFFFF	#000000	##000000
##4083D9	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8ADC

Deuteranopia (green-blind)

#437CD7

Tritanopia (blue-blind)

#0097A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4083d9;
/* rgb */ color: rgb(64, 131, 217);
/* oklch */ color: oklch(60.8% 0.148 255.8);

Tailwind

colors: {
  custom: {
    50: '#86a6e5',
    500: '#4083d9',
    950: '#000000',
  },
}

SCSS

$custom: #4083d9;
$custom-light: #86a6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4083d9",
  "rgb": {
    "r": 64,
    "g": 131,
    "b": 217
  },
  "hsl": {
    "h": 213.725,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60837,
    "c": 0.14777,
    "h": 255.8
  },
  "luminance": 0.22332
}

Semantic roles & 50–950 ramp

primary

#4083D9

secondary

#DABE9A

accent

#9F3EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4083D9

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

Preview Lab → · Contrast checker → · Palette generator →