#3B9EC9#3B9EC9

#3B9EC9 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.0% C 0.110 H 230.6°. Best body text is #000000 at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#3B9EC9
RGB	rgb(59, 158, 201)
HSL	hsl(198, 57%, 51%)
HSV	hsv(198, 71%, 79%)
CMYK	cmyk(70.6%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(61.31, -14.71, -30.38)
CIE-LCH	lch(61.31, 33.75, 244.17°)
OKLab	oklab(66.01% -0.07 -0.0853)
OKLCH	oklch(66.01% 0.11 230.6)
XYZ	xyz(24.5689, 29.5978, 59.6651)
Luminance	0.2960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9EC9 #C9663B

analogous

#3BC9AD #3B9EC9 #3B57C9

triadic

#3B9EC9 #C93B9E #9EC93B

tetradic

#3B9EC9 #AD3BC9 #C9663B #57C93B

square

#3B9EC9 #AD3BC9 #C9663B #57C93B

split-complementary

#3B9EC9 #C93B57 #C9AD3B

monochromatic

#1E546C #2B7A9C #3B9EC9 #6BB6D6 #9BCDE3

Accessibility & contrast

On white

3.03

#3B9EC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.92

#3B9EC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9EC9

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9EC9	#FFFFFF	#000000	##000000
##3B9EC9	1.00	3.03	6.92	6.92
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.92	21.00	1.00	1.00
##000000	6.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCB

Deuteranopia (green-blind)

#758EC8

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3b9ec9;
/* rgb */ color: rgb(59, 158, 201);
/* oklch */ color: oklch(66.0% 0.110 230.6);

Tailwind

colors: {
  custom: {
    50: '#82bad9',
    500: '#3b9ec9',
    950: '#000000',
  },
}

SCSS

$custom: #3b9ec9;
$custom-light: #82bad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9ec9",
  "rgb": {
    "r": 59,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 198.169,
    "s": 56.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.66011,
    "c": 0.11028,
    "h": 230.6
  },
  "luminance": 0.29601
}

Semantic roles & 50–950 ramp

primary

#3B9EC9

secondary

#CFA390

accent

#7648E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B9EC9

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

Preview Lab → · Contrast checker → · Palette generator →