#3A8FDB#3A8FDB

#3A8FDB is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.4% C 0.140 H 248.9°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#3A8FDB
RGB	rgb(58, 143, 219)
HSL	hsl(208, 69%, 54%)
HSV	hsv(208, 74%, 86%)
CMYK	cmyk(73.5%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(57.71, -0.16, -46.08)
CIE-LCH	lch(57.71, 46.08, 269.80°)
OKLab	oklab(63.42% -0.0505 -0.131)
OKLCH	oklch(63.42% 0.14 248.9)
XYZ	xyz(24.3487, 25.6562, 70.6730)
Luminance	0.2566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A8FDB #DB863A

analogous

#3ADBD7 #3A8FDB #3A3FDB

triadic

#3A8FDB #DB3A8F #8FDB3A

tetradic

#3A8FDB #D73ADB #DB863A #3FDB3A

square

#3A8FDB #D73ADB #DB863A #3FDB3A

split-complementary

#3A8FDB #DB3A3F #DBD73A

monochromatic

#185083 #2170B6 #3A8FDB #6EACE4 #A1CAEE

Accessibility & contrast

On white

3.42

#3A8FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#3A8FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8FDB

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A8FDB	#FFFFFF	#000000	##000000
##3A8FDB	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	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: #3a8fdb;
/* rgb */ color: rgb(58, 143, 219);
/* oklch */ color: oklch(63.4% 0.140 248.9);

Tailwind

colors: {
  custom: {
    50: '#84afe6',
    500: '#3a8fdb',
    950: '#000000',
  },
}

SCSS

$custom: #3a8fdb;
$custom-light: #84afe6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a8fdb",
  "rgb": {
    "r": 58,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 208.323,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.63424,
    "c": 0.14038,
    "h": 248.9
  },
  "luminance": 0.25659
}

Semantic roles & 50–950 ramp

primary

#3A8FDB

secondary

#DBB696

accent

#8F3CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #3A8FDB

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

Preview Lab → · Contrast checker → · Palette generator →