#3A9BC5#3A9BC5

#3A9BC5 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.108 H 230.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3A9BC5
RGB	rgb(58, 155, 197)
HSL	hsl(198, 55%, 50%)
HSV	hsv(198, 71%, 77%)
CMYK	cmyk(70.6%, 21.3%, 0%, 22.7%)
CIE-LAB	lab(60.22, -14.55, -29.82)
CIE-LCH	lch(60.22, 33.18, 244.00°)
OKLab	oklab(65.09% -0.0689 -0.0837)
OKLCH	oklch(65.09% 0.108 230.5)
XYZ	xyz(23.5403, 28.3708, 57.0480)
Luminance	0.2837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A9BC5 #C5643A

analogous

#3AC5A9 #3A9BC5 #3A56C5

triadic

#3A9BC5 #C53A9B #9BC53A

tetradic

#3A9BC5 #A93AC5 #C5643A #56C53A

square

#3A9BC5 #A93AC5 #C5643A #56C53A

split-complementary

#3A9BC5 #C53A56 #C5A93A

monochromatic

#1E5166 #2C7696 #3A9BC5 #69B3D3 #99CBE1

Accessibility & contrast

On white

3.15

#3A9BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3A9BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A9BC5

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A9BC5	#FFFFFF	#000000	##000000
##3A9BC5	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8699C7

Deuteranopia (green-blind)

#738BC4

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3a9bc5;
/* rgb */ color: rgb(58, 155, 197);
/* oklch */ color: oklch(65.1% 0.108 230.5);

Tailwind

colors: {
  custom: {
    50: '#81b8d6',
    500: '#3a9bc5',
    950: '#000000',
  },
}

SCSS

$custom: #3a9bc5;
$custom-light: #81b8d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a9bc5",
  "rgb": {
    "r": 58,
    "g": 155,
    "b": 197
  },
  "hsl": {
    "h": 198.129,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.65085,
    "c": 0.10841,
    "h": 230.5
  },
  "luminance": 0.28373
}

Semantic roles & 50–950 ramp

primary

#3A9BC5

secondary

#CDA18E

accent

#774ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3A9BC5

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

Preview Lab → · Contrast checker → · Palette generator →