#3E99DB#3E99DB

#3E99DB is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.8% C 0.130 H 243.8°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3E99DB
RGB	rgb(62, 153, 219)
HSL	hsl(205, 69%, 55%)
HSV	hsv(205, 72%, 86%)
CMYK	cmyk(71.7%, 30.1%, 0%, 14.1%)
CIE-LAB	lab(60.71, -5.41, -41.34)
CIE-LCH	lch(60.71, 41.70, 262.55°)
OKLab	oklab(65.82% -0.0575 -0.117)
OKLCH	oklch(65.82% 0.13 243.8)
XYZ	xyz(26.1591, 28.9181, 71.2072)
Luminance	0.2892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E99DB #DB803E

analogous

#3EDBCF #3E99DB #3E4ADB

triadic

#3E99DB #DB3E99 #99DB3E

tetradic

#3E99DB #CF3EDB #DB803E #4ADB3E

square

#3E99DB #CF3EDB #DB803E #4ADB3E

split-complementary

#3E99DB #DB3E4A #DBCF3E

monochromatic

#195886 #237AB9 #3E99DB #72B4E5 #A5D0EE

Accessibility & contrast

On white

3.10

#3E99DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#3E99DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E99DB

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E99DB	#FFFFFF	#000000	##000000
##3E99DB	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9BDE

Deuteranopia (green-blind)

#658CDA

Tritanopia (blue-blind)

#00A9B0

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3e99db;
/* rgb */ color: rgb(62, 153, 219);
/* oklch */ color: oklch(65.8% 0.130 243.8);

Tailwind

colors: {
  custom: {
    50: '#86b6e6',
    500: '#3e99db',
    950: '#000000',
  },
}

SCSS

$custom: #3e99db;
$custom-light: #86b6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3e99db",
  "rgb": {
    "r": 62,
    "g": 153,
    "b": 219
  },
  "hsl": {
    "h": 205.223,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6582,
    "c": 0.13038,
    "h": 243.8
  },
  "luminance": 0.28921
}

Semantic roles & 50–950 ramp

primary

#3E99DB

secondary

#DBB599

accent

#863CEB

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0D1116

muted

#7D8084

Preview Lab

Preview with #3E99DB

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

Preview Lab → · Contrast checker → · Palette generator →