#3B8BCB#3B8BCB

#3B8BCB is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.7% C 0.124 H 246.0°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BCB
RGB	rgb(59, 139, 203)
HSL	hsl(207, 58%, 51%)
HSV	hsv(207, 71%, 80%)
CMYK	cmyk(70.9%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(55.79, -3.33, -40.11)
CIE-LCH	lch(55.79, 40.25, 265.26°)
OKLab	oklab(61.67% -0.0506 -0.1136)
OKLCH	oklch(61.67% 0.124 246)
XYZ	xyz(21.8116, 23.7044, 59.9142)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BCB #CB7B3B

analogous

#3BCBC3 #3B8BCB #3B43CB

triadic

#3B8BCB #CB3B8B #8BCB3B

tetradic

#3B8BCB #C33BCB #CB7B3B #43CB3B

square

#3B8BCB #C33BCB #CB7B3B #43CB3B

split-complementary

#3B8BCB #CB3B43 #CBC33B

monochromatic

#1D4A6E #2A6B9F #3B8BCB #6BA8D8 #9CC4E5

Accessibility & contrast

On white

3.66

#3B8BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#3B8BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BCB

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BCB	#FFFFFF	#000000	##000000
##3B8BCB	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8DCE

Deuteranopia (green-blind)

#5A80CA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3b8bcb;
/* rgb */ color: rgb(59, 139, 203);
/* oklch */ color: oklch(61.7% 0.124 246.0);

Tailwind

colors: {
  custom: {
    50: '#82acdb',
    500: '#3b8bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bcb;
$custom-light: #82acdb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bcb",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 206.667,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.61665,
    "c": 0.12437,
    "h": 246
  },
  "luminance": 0.23707
}

Semantic roles & 50–950 ramp

primary

#3B8BCB

secondary

#D1AD91

accent

#8B47E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3B8BCB

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

Preview Lab → · Contrast checker → · Palette generator →