#3D99BB#3D99BB

#3D99BB is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.2% C 0.099 H 226.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#3D99BB
RGB	rgb(61, 153, 187)
HSL	hsl(196, 51%, 49%)
HSV	hsv(196, 67%, 73%)
CMYK	cmyk(67.4%, 18.2%, 0%, 26.7%)
CIE-LAB	lab(59.31, -16.30, -25.60)
CIE-LCH	lch(59.31, 30.34, 237.52°)
OKLab	oklab(64.24% -0.0689 -0.0716)
OKLCH	oklch(64.24% 0.099 226.1)
XYZ	xyz(22.2817, 27.3600, 51.1108)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99BB #BB5F3D

analogous

#3DBB9E #3D99BB #3D5ABB

triadic

#3D99BB #BB3D99 #99BB3D

tetradic

#3D99BB #9E3DBB #BB5F3D #5ABB3D

square

#3D99BB #9E3DBB #BB5F3D #5ABB3D

split-complementary

#3D99BB #BB3D5A #BB9E3D

monochromatic

#1F4D5F #2E738D #3D99BB #68B2CE #96CADD

Accessibility & contrast

On white

3.24

#3D99BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#3D99BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99BB

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99BB	#FFFFFF	#000000	##000000
##3D99BB	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8796BD

Deuteranopia (green-blind)

#7589BB

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3d99bb;
/* rgb */ color: rgb(61, 153, 187);
/* oklch */ color: oklch(64.2% 0.099 226.1);

Tailwind

colors: {
  custom: {
    50: '#81b7cf',
    500: '#3d99bb',
    950: '#000000',
  },
}

SCSS

$custom: #3d99bb;
$custom-light: #81b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99bb",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 187
  },
  "hsl": {
    "h": 196.19,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64244,
    "c": 0.09936,
    "h": 226.1
  },
  "luminance": 0.27362
}

Semantic roles & 50–950 ramp

primary

#3D99BB

secondary

#C89C8C

accent

#734EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #3D99BB

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

Preview Lab → · Contrast checker → · Palette generator →