#3A9BBF#3A9BBF

#3A9BBF is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.8% C 0.103 H 226.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3A9BBF
RGB	rgb(58, 155, 191)
HSL	hsl(196, 53%, 49%)
HSV	hsv(196, 70%, 75%)
CMYK	cmyk(69.6%, 18.8%, 0%, 25.1%)
CIE-LAB	lab(59.98, -16.53, -26.82)
CIE-LCH	lch(59.98, 31.50, 238.36°)
OKLab	oklab(64.81% -0.0711 -0.0751)
OKLCH	oklch(64.81% 0.103 226.5)
XYZ	xyz(22.8664, 28.1013, 53.4991)
Luminance	0.2810 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9BBF #BF5E3A

analogous

#3ABFA1 #3A9BBF #3A58BF

triadic

#3A9BBF #BF3A9B #9BBF3A

tetradic

#3A9BBF #A13ABF #BF5E3A #58BF3A

square

#3A9BBF #A13ABF #BF5E3A #58BF3A

split-complementary

#3A9BBF #BF3A58 #BFA13A

monochromatic

#1D4F61 #2C7590 #3A9BBF #66B4D0 #95CBDF

Accessibility & contrast

On white

3.17

#3A9BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#3A9BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9BBF

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9BBF	#FFFFFF	#000000	##000000
##3A9BBF	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8898C1

Deuteranopia (green-blind)

#758BBF

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3a9bbf;
/* rgb */ color: rgb(58, 155, 191);
/* oklch */ color: oklch(64.8% 0.103 226.5);

Tailwind

colors: {
  custom: {
    50: '#81b8d2',
    500: '#3a9bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3a9bbf;
$custom-light: #81b8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9bbf",
  "rgb": {
    "r": 58,
    "g": 155,
    "b": 191
  },
  "hsl": {
    "h": 196.241,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64811,
    "c": 0.10342,
    "h": 226.5
  },
  "luminance": 0.28104
}

Semantic roles & 50–950 ramp

primary

#3A9BBF

secondary

#CA9C8B

accent

#724BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3A9BBF

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

Preview Lab → · Contrast checker → · Palette generator →