#3D99D9#3D99D9

#3D99D9 is a light, vivid cyan. Relative luminance 0.288; OKLCH L 65.7% C 0.129 H 242.8°. Best body text is #000000 at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#3D99D9
RGB	rgb(61, 153, 217)
HSL	hsl(205, 67%, 55%)
HSV	hsv(205, 72%, 85%)
CMYK	cmyk(71.9%, 29.5%, 0%, 14.9%)
CIE-LAB	lab(60.59, -6.23, -40.42)
CIE-LCH	lch(60.59, 40.90, 261.23°)
OKLab	oklab(65.69% -0.0587 -0.1143)
OKLCH	oklch(65.69% 0.129 242.8)
XYZ	xyz(25.8353, 28.7814, 69.8260)
Luminance	0.2878 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99D9 #D97D3D

analogous

#3DD9CB #3D99D9 #3D4BD9

triadic

#3D99D9 #D93D99 #99D93D

tetradic

#3D99D9 #CB3DD9 #D97D3D #4BD93D

square

#3D99D9 #CB3DD9 #D97D3D #4BD93D

split-complementary

#3D99D9 #D93D4B #D9CB3D

monochromatic

#195782 #2479B5 #3D99D9 #70B4E3 #A3CFED

Accessibility & contrast

On white

3.11

#3D99D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.76

#3D99D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99D9

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99D9	#FFFFFF	#000000	##000000
##3D99D9	1.00	3.11	6.76	6.76
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.76	21.00	1.00	1.00
##000000	6.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C9ADC

Deuteranopia (green-blind)

#668BD8

Tritanopia (blue-blind)

#00A9AF

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3d99d9;
/* rgb */ color: rgb(61, 153, 217);
/* oklch */ color: oklch(65.7% 0.129 242.8);

Tailwind

colors: {
  custom: {
    50: '#85b6e5',
    500: '#3d99d9',
    950: '#000000',
  },
}

SCSS

$custom: #3d99d9;
$custom-light: #85b6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99d9",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 217
  },
  "hsl": {
    "h": 204.615,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.65686,
    "c": 0.12852,
    "h": 242.8
  },
  "luminance": 0.28784
}

Semantic roles & 50–950 ramp

primary

#3D99D9

secondary

#DAB398

accent

#843EEA

background

#F8FBFE

surface

#F0F6FC

border

#CBD0D5

text

#0C1115

muted

#7D8084

Preview Lab

Preview with #3D99D9

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

Preview Lab → · Contrast checker → · Palette generator →