#3A9BBB#3A9BBB

#3A9BBB is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.6% C 0.100 H 223.7°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3A9BBB
RGB	rgb(58, 155, 187)
HSL	hsl(195, 53%, 48%)
HSV	hsv(195, 69%, 73%)
CMYK	cmyk(69%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(59.82, -17.83, -24.81)
CIE-LCH	lch(59.82, 30.55, 234.29°)
OKLab	oklab(64.63% -0.0726 -0.0693)
OKLCH	oklch(64.63% 0.1 223.7)
XYZ	xyz(22.4323, 27.9276, 51.2124)
Luminance	0.2793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9BBB #BB5A3A

analogous

#3ABB9A #3A9BBB #3A5ABB

triadic

#3A9BBB #BB3A9B #9BBB3A

tetradic

#3A9BBB #9A3ABB #BB5A3A #5ABB3A

square

#3A9BBB #9A3ABB #BB5A3A #5ABB3A

split-complementary

#3A9BBB #BB3A5A #BB9A3A

monochromatic

#1D4E5E #2C748C #3A9BBB #63B4CF #92CBDD

Accessibility & contrast

On white

3.19

#3A9BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#3A9BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9BBB

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9BBB	#FFFFFF	#000000	##000000
##3A9BBB	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BD

Deuteranopia (green-blind)

#778ABB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3a9bbb;
/* rgb */ color: rgb(58, 155, 187);
/* oklch */ color: oklch(64.6% 0.100 223.7);

Tailwind

colors: {
  custom: {
    50: '#80b8cf',
    500: '#3a9bbb',
    950: '#000000',
  },
}

SCSS

$custom: #3a9bbb;
$custom-light: #80b8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9bbb",
  "rgb": {
    "r": 58,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 194.884,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64634,
    "c": 0.10042,
    "h": 223.7
  },
  "luminance": 0.2793
}

Semantic roles & 50–950 ramp

primary

#3A9BBB

secondary

#C89888

accent

#704CDC

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3A9BBB

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

Preview Lab → · Contrast checker → · Palette generator →