#3B8FDB#3B8FDB

#3B8FDB is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.140 H 249.1°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3B8FDB
RGB	rgb(59, 143, 219)
HSL	hsl(209, 69%, 55%)
HSV	hsv(209, 73%, 86%)
CMYK	cmyk(73.1%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(57.74, -0.03, -46.03)
CIE-LCH	lch(57.74, 46.03, 269.96°)
OKLab	oklab(63.46% -0.0499 -0.1308)
OKLCH	oklch(63.46% 0.14 249.1)
XYZ	xyz(24.4074, 25.6864, 70.6757)
Luminance	0.2569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8FDB #DB873B

analogous

#3BDBD7 #3B8FDB #3B3FDB

triadic

#3B8FDB #DB3B8F #8FDB3B

tetradic

#3B8FDB #D73BDB #DB873B #3FDB3B

square

#3B8FDB #D73BDB #DB873B #3FDB3B

split-complementary

#3B8FDB #DB3B3F #DBD73B

monochromatic

#185083 #2270B7 #3B8FDB #6FADE4 #A2CAEE

Accessibility & contrast

On white

3.42

#3B8FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#3B8FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FDB

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8FDB	#FFFFFF	#000000	##000000
##3B8FDB	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C93DE

Deuteranopia (green-blind)

#5584DA

Tritanopia (blue-blind)

#00A1AB

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3b8fdb;
/* rgb */ color: rgb(59, 143, 219);
/* oklch */ color: oklch(63.5% 0.140 249.1);

Tailwind

colors: {
  custom: {
    50: '#85afe6',
    500: '#3b8fdb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8fdb;
$custom-light: #85afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8fdb",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 208.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63455,
    "c": 0.14003,
    "h": 249.1
  },
  "luminance": 0.25689
}

Semantic roles & 50–950 ramp

primary

#3B8FDB

secondary

#DBB797

accent

#903CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3B8FDB

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

Preview Lab → · Contrast checker → · Palette generator →