#3D99BC#3D99BC

#3D99BC is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.3% C 0.100 H 226.8°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3D99BC
RGB	rgb(61, 153, 188)
HSL	hsl(197, 51%, 49%)
HSV	hsv(197, 68%, 74%)
CMYK	cmyk(67.6%, 18.6%, 0%, 26.3%)
CIE-LAB	lab(59.35, -15.97, -26.10)
CIE-LCH	lch(59.35, 30.60, 238.54°)
OKLab	oklab(64.29% -0.0686 -0.073)
OKLCH	oklch(64.29% 0.1 226.8)
XYZ	xyz(22.3892, 27.4030, 51.6766)
Luminance	0.2741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D99BC #BC603D

analogous

#3DBCA0 #3D99BC #3D5ABC

triadic

#3D99BC #BC3D99 #99BC3D

tetradic

#3D99BC #A03DBC #BC603D #5ABC3D

square

#3D99BC #A03DBC #BC603D #5ABC3D

split-complementary

#3D99BC #BC3D5A #BCA03D

monochromatic

#1F4E60 #2E738E #3D99BC #68B2CE #96CADD

Accessibility & contrast

On white

3.24

#3D99BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#3D99BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D99BC

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D99BC	#FFFFFF	#000000	##000000
##3D99BC	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8696BE

Deuteranopia (green-blind)

#7589BC

Tritanopia (blue-blind)

#00A3A4

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #3d99bc;
/* rgb */ color: rgb(61, 153, 188);
/* oklch */ color: oklch(64.3% 0.100 226.8);

Tailwind

colors: {
  custom: {
    50: '#81b7d0',
    500: '#3d99bc',
    950: '#000000',
  },
}

SCSS

$custom: #3d99bc;
$custom-light: #81b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d99bc",
  "rgb": {
    "r": 61,
    "g": 153,
    "b": 188
  },
  "hsl": {
    "h": 196.535,
    "s": 51.004,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64288,
    "c": 0.10015,
    "h": 226.8
  },
  "luminance": 0.27405
}

Semantic roles & 50–950 ramp

primary

#3D99BC

secondary

#C99D8C

accent

#744DDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3D99BC

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

Preview Lab → · Contrast checker → · Palette generator →