#3B8DDB#3B8DDB

#3B8DDB is a light, vivid cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.142 H 250.2°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B8DDB
RGB	rgb(59, 141, 219)
HSL	hsl(209, 69%, 55%)
HSV	hsv(209, 73%, 86%)
CMYK	cmyk(73.1%, 35.6%, 0%, 14.1%)
CIE-LAB	lab(57.16, 1.15, -46.94)
CIE-LCH	lch(57.16, 46.96, 271.40°)
OKLab	oklab(63.01% -0.0481 -0.1335)
OKLCH	oklch(63.01% 0.142 250.2)
XYZ	xyz(24.1099, 25.0913, 70.5765)
Luminance	0.2509 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8DDB #DB893B

analogous

#3BDBD9 #3B8DDB #3B3DDB

triadic

#3B8DDB #DB3B8D #8DDB3B

tetradic

#3B8DDB #D93BDB #DB893B #3DDB3B

square

#3B8DDB #D93BDB #DB893B #3DDB3B

split-complementary

#3B8DDB #DB3B3D #DBD93B

monochromatic

#184F83 #226EB7 #3B8DDB #6FABE4 #A2C9EE

Accessibility & contrast

On white

3.49

#3B8DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#3B8DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8DDB

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8DDB	#FFFFFF	#000000	##000000
##3B8DDB	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6991DE

Deuteranopia (green-blind)

#5282D9

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #3b8ddb;
/* rgb */ color: rgb(59, 141, 219);
/* oklch */ color: oklch(63.0% 0.142 250.2);

Tailwind

colors: {
  custom: {
    50: '#85ade6',
    500: '#3b8ddb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8ddb;
$custom-light: #85ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8ddb",
  "rgb": {
    "r": 59,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 209.25,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63005,
    "c": 0.14192,
    "h": 250.2
  },
  "luminance": 0.25094
}

Semantic roles & 50–950 ramp

primary

#3B8DDB

secondary

#DBB897

accent

#923CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3B8DDB

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

Preview Lab → · Contrast checker → · Palette generator →