#3D9DB3#3D9DB3

#3D9DB3 is a light, moderate cyan. Relative luminance 0.284; OKLCH L 64.9% C 0.094 H 215.7°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3D9DB3
RGB	rgb(61, 157, 179)
HSL	hsl(191, 49%, 47%)
HSV	hsv(191, 66%, 70%)
CMYK	cmyk(65.9%, 12.3%, 0%, 29.8%)
CIE-LAB	lab(60.21, -20.97, -19.70)
CIE-LCH	lch(60.21, 28.77, 223.21°)
OKLab	oklab(64.87% -0.0762 -0.0548)
OKLCH	oklch(64.87% 0.094 215.7)
XYZ	xyz(22.1148, 28.3583, 46.9473)
Luminance	0.2836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D9DB3 #B3533D

analogous

#3DB38E #3D9DB3 #3D62B3

triadic

#3D9DB3 #B33D9D #9DB33D

tetradic

#3D9DB3 #8E3DB3 #B3533D #62B33D

square

#3D9DB3 #8E3DB3 #B3533D #62B33D

split-complementary

#3D9DB3 #B33D62 #B38E3D

monochromatic

#1E4D58 #2D7585 #3D9DB3 #63B7CA #91CCD9

Accessibility & contrast

On white

3.15

#3D9DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3D9DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D9DB3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D9DB3	#FFFFFF	#000000	##000000
##3D9DB3	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)

#8E98B4

Deuteranopia (green-blind)

#7D8CB3

Tritanopia (blue-blind)

#00A5A4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3d9db3;
/* rgb */ color: rgb(61, 157, 179);
/* oklch */ color: oklch(64.9% 0.094 215.7);

Tailwind

colors: {
  custom: {
    50: '#80bac9',
    500: '#3d9db3',
    950: '#000000',
  },
}

SCSS

$custom: #3d9db3;
$custom-light: #80bac9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d9db3",
  "rgb": {
    "r": 61,
    "g": 157,
    "b": 179
  },
  "hsl": {
    "h": 191.186,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64869,
    "c": 0.09389,
    "h": 215.7
  },
  "luminance": 0.28361
}

Semantic roles & 50–950 ramp

primary

#3D9DB3

secondary

#C59387

accent

#694FD9

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3D9DB3

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

Preview Lab → · Contrast checker → · Palette generator →