#3B8ECB#3B8ECB

#3B8ECB is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.4% C 0.122 H 244.0°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B8ECB
RGB	rgb(59, 142, 203)
HSL	hsl(205, 58%, 51%)
HSV	hsv(205, 71%, 80%)
CMYK	cmyk(70.9%, 30%, 0%, 20.4%)
CIE-LAB	lab(56.67, -5.07, -38.73)
CIE-LCH	lch(56.67, 39.06, 262.55°)
OKLab	oklab(62.36% -0.0535 -0.1096)
OKLCH	oklch(62.36% 0.122 244)
XYZ	xyz(22.2520, 24.5851, 60.0610)
Luminance	0.2459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8ECB #CB783B

analogous

#3BCBC0 #3B8ECB #3B46CB

triadic

#3B8ECB #CB3B8E #8ECB3B

tetradic

#3B8ECB #C03BCB #CB783B #46CB3B

square

#3B8ECB #C03BCB #CB783B #46CB3B

split-complementary

#3B8ECB #CB3B46 #CBC03B

monochromatic

#1D4C6E #2A6D9F #3B8ECB #6BAAD8 #9CC6E5

Accessibility & contrast

On white

3.55

#3B8ECB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3B8ECB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8ECB

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8ECB	#FFFFFF	#000000	##000000
##3B8ECB	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7290CE

Deuteranopia (green-blind)

#5E82CA

Tritanopia (blue-blind)

#009DA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3b8ecb;
/* rgb */ color: rgb(59, 142, 203);
/* oklch */ color: oklch(62.4% 0.122 244.0);

Tailwind

colors: {
  custom: {
    50: '#82aedb',
    500: '#3b8ecb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8ecb;
$custom-light: #82aedb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8ecb",
  "rgb": {
    "r": 59,
    "g": 142,
    "b": 203
  },
  "hsl": {
    "h": 205.417,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.62358,
    "c": 0.12193,
    "h": 244
  },
  "luminance": 0.24588
}

Semantic roles & 50–950 ramp

primary

#3B8ECB

secondary

#D1AC91

accent

#8847E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B8ECB

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

Preview Lab → · Contrast checker → · Palette generator →