#3D9BB3#3D9BB3

#3D9BB3 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.094 H 217.8°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3D9BB3
RGB	rgb(61, 155, 179)
HSL	hsl(192, 49%, 47%)
HSV	hsv(192, 66%, 70%)
CMYK	cmyk(65.9%, 13.4%, 0%, 29.8%)
CIE-LAB	lab(59.60, -19.92, -20.62)
CIE-LCH	lch(59.60, 28.67, 225.99°)
OKLab	oklab(64.38% -0.0741 -0.0574)
OKLCH	oklch(64.38% 0.094 217.8)
XYZ	xyz(21.7792, 27.6871, 46.8354)
Luminance	0.2769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D9BB3 #B3553D

analogous

#3DB390 #3D9BB3 #3D60B3

triadic

#3D9BB3 #B33D9B #9BB33D

tetradic

#3D9BB3 #903DB3 #B3553D #60B33D

square

#3D9BB3 #903DB3 #B3553D #60B33D

split-complementary

#3D9BB3 #B33D60 #B3903D

monochromatic

#1E4C58 #2D7385 #3D9BB3 #63B5CA #91CBD9

Accessibility & contrast

On white

3.21

#3D9BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.54

#3D9BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D9BB3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D9BB3	#FFFFFF	#000000	##000000
##3D9BB3	1.00	3.21	6.54	6.54
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.54	21.00	1.00	1.00
##000000	6.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B97B4

Deuteranopia (green-blind)

#7B8AB3

Tritanopia (blue-blind)

#00A3A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3d9bb3;
/* rgb */ color: rgb(61, 155, 179);
/* oklch */ color: oklch(64.4% 0.094 217.8);

Tailwind

colors: {
  custom: {
    50: '#80b8c9',
    500: '#3d9bb3',
    950: '#000000',
  },
}

SCSS

$custom: #3d9bb3;
$custom-light: #80b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d9bb3",
  "rgb": {
    "r": 61,
    "g": 155,
    "b": 179
  },
  "hsl": {
    "h": 192.203,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64383,
    "c": 0.09377,
    "h": 217.8
  },
  "luminance": 0.27689
}

Semantic roles & 50–950 ramp

primary

#3D9BB3

secondary

#C59487

accent

#6B4FD9

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3D9BB3

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

Preview Lab → · Contrast checker → · Palette generator →